Per-Arne Lönnqvist

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About me

Professor of Paediatric Anaesthesia and Intensive Care at the Department of Physiology and Pharmacology

Articles

Article: PEDIATRIC RESEARCH. 2023;94(4):1373-1379

Perioperative water and electrolyte balance and water homeostasis regulation in children with acute surgery.

Roberts DN; Vallén P; Cronhjort M; Alfvén T; Sandblom G; Törnroth-Horsefield S; Jensen BL; Lönnqvist P-A; Frithiof R; Carlström M; Krmar RT
Journal article: BRITISH JOURNAL OF ANAESTHESIA. 2023;131(3):e62-e64

The mechanism of action of erector spinae plane block is not enigmatic: it is intravenous local anaesthetic effect by proxy.

Lönnqvist P-A; Karmakar MK; Sivakumar RK
Journal article: BEST PRACTICE & RESEARCH-CLINICAL ANAESTHESIOLOGY. 2023;37(2):133-138

Spinal anaesthesia in children: A narrative review.

Lönnqvist P-A
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2023;48(4):173-174

How to report drug concentrations or classic pharmacokinetics in regional anesthesia and pain medicine: what information needs to be provided?

Lonnqvist P-A; Eksborg S
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2023;40(3):208-215

Intranasal dexmedetomidine sedation for paediatric MRI by radiology personnel: A retrospective observational study.

Karlsson J; Lewis G; Larsson P; Lönnqvist P-A; Diaz S
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2023;67(2):206-212

Severe Covid-19 and acute pulmonary hypertension: 24-month follow-up regarding mortality and relationship to initial echocardiographic findings and biomarkers.

Norderfeldt J; Liliequist A; Eksborg S; Frostell C; Eriksson MJ; Adding C; Agvald P; Lönnqvist P-A
Article: ANESTHESIOLOGY. 2022;137(6):687-703

Local Anesthetic Cardiac Toxicity Is Mediated by Cardiomyocyte Calcium Dynamics.

Plakhotnik J; Zhang L; Estrada M; Coles JG; Lonnqvist P-A; Maynes JT
Article: JOURNAL OF CLINICAL MONITORING AND COMPUTING. 2022;36(5):1315-1324

Non-invasive capnodynamic mixed venous oxygen saturation during major changes in oxygen delivery.

Svedmyr A; Konrad M; Wallin M; Hallbäck M; Lönnqvist P-A; Karlsson J
Article: JOURNAL OF CLINICAL ANESTHESIA. 2022;79:110725

Practice advisory on the prevention and management of complications of pediatric regional anesthesia.

Ecoffey C; Bosenberg A; Lonnqvist PA; Suresh S; Delbos A; Ivani G
Article: A AND A PRACTICE. 2022;16(7):e01610

The Retro Superior Costotransverse Ligament Space as a New Target for Ultrasound-Guided Intertransverse Process Block: A Report of 2 Cases.

Karmakar MK; Sivakumar RK; Sheah K; Pangthipampai P; Lönnqvist P-A
Article: ANESTHESIA AND ANALGESIA. 2022;134(3):644-652

Cardiac Output Assessments in Anesthetized Children: Dynamic Capnography Versus Esophageal Doppler.

Karlsson J; Svedmyr A; Wiegele M; Lönnqvist P-A; Wallin M; Hallbäck M
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2021;65(6):761-769

Acute pulmonary hypertension and short-term outcomes in severe Covid-19 patients needing intensive care.

Norderfeldt J; Liliequist A; Frostell C; Adding C; Agvald P; Eriksson M; Lönnqvist P-A
Article: PEDIATRIC ANESTHESIA. 2021;31(6):650-654

Primary spread of caudal blockade in children: the possible limiting role of the lumbar spinal cord enlargement (tumenescence) in combination with the cerebrospinal fluid rebound mechanism.

Castillo P; Forestier J; Wiegele M; Finnbogasson T; Lönnqvist P-A
Article: ANESTHESIA AND ANALGESIA. 2021;132(6):1768-1776

A Continuous Noninvasive Method to Assess Mixed Venous Oxygen Saturation: A Proof-of-Concept Study in Pigs.

Karlsson J; Lönnqvist P-A; Wallin M; Hallbäck M
Article: PEDIATRIC ANESTHESIA. 2021;31(6):631-636

Rapid systemic uptake of naloxone after intranasal administration in children.

Malmros Olsson E; Lönnqvist P-A; Stiller C-O; Eksborg S; Lundeberg S
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2021;46(1):57-60

Daring discourse: should the ESP block be renamed RIP II block?

Lonnqvist PA; Karmakar MK; Richardson J; Moriggl B
Article: BRITISH JOURNAL OF ANAESTHESIA. 2020;125(6):1064-1069

Cerebral blood flow alterations associated with high volume caudal block in infants.

Castillo P; Lundblad M; Forestier J; Eksborg S; Lönnqvist P-A
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2020;64(8):1114-1119

Determination of adequate positive end-expiratory pressure level required for carbon dioxide homeostasis in an animal model of infant laparoscopy.

Karlsson J; Fodor GH; Dos Santos Rocha A; Lin N; Habre W; Wallin M; Hallbäck M; Peták F; Lönnqvist P-A
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2020;64(8):1106-1113

End-expiratory lung volume assessment using helium and carbon dioxide in an experimental model of pediatric capnoperitoneum.

Karlsson J; Fodor GH; Dos Santos Rocha A; Lin N; Habre W; Wallin M; Hallbäck M; Peták F; Lönnqvist P-A
Article: EUROPEAN JOURNAL OF PEDIATRIC SURGERY. 2020;30(4):350-356

Low Plasma Sodium Concentration Predicts Perforated Acute Appendicitis in Children: A Prospective Diagnostic Accuracy Study.

Lindestam U; Almström M; Jacks J; Malmquist P; Lönnqvist P-A; Jensen BL; Carlström M; Krmar RT; Svensson JF; Norberg Å; Fläring U
Article: BRITISH JOURNAL OF ANAESTHESIA. 2018;121(3):550-558

Validation of capnodynamic determination of cardiac output by measuring effective pulmonary blood flow: a study in anaesthetised children and piglets.

Karlsson J; Winberg P; Scarr B; Lönnqvist PA; Neovius E; Wallin M; Hallbäck M
Article: BRITISH JOURNAL OF ANAESTHESIA. 2018;121(2):427-431

Plasma concentrations of alpha-1-acid glycoprotein in preterm and term newborns: influence of mode of delivery and implications for plasma protein binding of local anaesthetics.

Anell-Olofsson M; Ahmadi S; Lönnqvist PA; Eksborg S; von Horn H; Bartocci M
Article: PEDIATRIC ANESTHESIA. 2018;28(6):493-506

Postoperative pain management in children: Guidance from the pain committee of the European Society for Paediatric Anaesthesiology (ESPA Pain Management Ladder Initiative).

Vittinghoff M; Lönnqvist P-A; Mossetti V; Heschl S; Simic D; Colovic V; Dmytriiev D; Hölzle M; Zielinska M; Kubica-Cielinska A; Lorraine-Lichtenstein E; Budić I; Karisik M; Maria BDJ; Smedile F; Morton NS
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2018;43(2):211-216

The European Society of Regional Anaesthesia and Pain Therapy/American Society of Regional Anesthesia and Pain Medicine Recommendations on Local Anesthetics and Adjuvants Dosage in Pediatric Regional Anesthesia.

Suresh S; Ecoffey C; Bosenberg A; Lonnqvist P-A; de Oliveira GS; de Leon Casasola O; de Andrés J; Ivani G
Article: BRITISH JOURNAL OF ANAESTHESIA. 2017;119(5):972-978

Volumes of the spinal canal and caudal space in children zero to three years of age assessed by magnetic resonance imaging: implications for volume dosage of caudal blockade.

Forestier J; Castillo P; Finnbogason T; Lundblad M; Eksborg S; Lönnqvist PA
Article: PEDIATRIC ANESTHESIA. 2017;27(6):657-664

Interactive web-based format vs conventional brochure material for information transfer to children and parents: a randomized controlled trial regarding preoperative information.

Lööf G; Liljeberg C; Eksborg S; Lönnqvist P-A
Article: JOURNAL OF CLINICAL MONITORING AND COMPUTING. 2016;30(6):761-769

Capnodynamic assessment of effective lung volume during cardiac output manipulations in a porcine model.

Hällsjö Sander C; Lönnqvist P-A; Hallbäck M; Sipmann FS; Wallin M; Oldner A; Björne H
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2016;60(5):588-596

Etomidate exposure in early infant mice (P10) does not induce apoptosis or affect behaviour.

Nyman Y; Fredriksson A; Lönnqvist P-A; Viberg H
Article: PEDIATRIC ANESTHESIA. 2015;25(9):897-905

Dexmedetomidine as adjunct to ilioinguinal/iliohypogastric nerve blocks for pediatric inguinal hernia repair: an exploratory randomized controlled trial.

Lundblad M; Marhofer D; Eksborg S; Lönnqvist P-A
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2015;40(5):526-532

The European Society of Regional Anaesthesia and Pain Therapy and the American Society of Regional Anesthesia and Pain Medicine Joint Committee Practice Advisory on Controversial Topics in Pediatric Regional Anesthesia.

Ivani G; Suresh S; Ecoffey C; Bosenberg A; Lonnqvist P-A; Krane E; Veyckemans F; Polaner DM; Van de Velde M; Neal JM
Article: PEDIATRIC ANESTHESIA. 2015;25(9):956-962

Incidence of bradycardia at arrival to the operating room after oral or intravenous premedication with clonidine in children.

Larsson PG; Eksborg S; Lönnqvist P-A
Article: PEDIATRIC ANESTHESIA. 2015;25(7):711-718

Plasma concentrations of levobupivacaine associated with two different intermittent wound infusion regimens following surgical ductus ligation in preterm infants.

Anell-Olofsson M; Lönnqvist P-A; Bitkover C; Lundeberg S; Larsson BA; Eksborg S; Bartocci M
Article: INTERNATIONAL JOURNAL OF SURGERY. 2015;18:128-131

Preoperative platelet count and volume could not help predict PONV in women undergoing breast cancer surgery: A prospective cohort study.

Öbrink E; Eksborg S; Lönnqvist P-A; Oddby-Muhrbeck E; Jakobsson JG
Article: BRITISH JOURNAL OF ANAESTHESIA. 2014;113(4):688-694

Reduction of cerebral mean blood flow velocity and oxygenation after high-volume (1.5 ml kg⁻¹) caudal block in infants.

Lundblad M; Forestier J; Marhofer D; Eksborg S; Winberg P; Lönnqvist PA
Article: INTERNATIONAL JOURNAL OF OBESITY. 2014;38(3):451-455

Ultrasound-guided peripheral regional anaesthesia: a feasibility study in obese versus normal-weight women.

Marhofer P; Pilz-Lubsczyk B; Lönnqvist P-A; Fleischmann E
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2013;57(6):749-753

Is there an association between PONV and chemotherapy-induced nausea and vomiting?

Oddby-Muhrbeck E; Öbrink E; Eksborg S; Rotstein S; Lönnqvist PA
Article: PEDIATRIC ANESTHESIA. 2012;22(9):877-883

Onset time for pharmacologic premedication with clonidine as a nasal aerosol: a double-blind, placebo-controlled, randomized trial.

Larsson P; Eksborg S; Lönnqvist P-A
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2012;37(3):294-301

Distribution patterns, dermatomal anesthesia, and ropivacaine serum concentrations after bilateral dual transversus abdominis plane block.

Børglum J; Jensen K; Christensen AF; Hoegberg LCG; Johansen SS; Lönnqvist P-A; Jansen T
Article: BRITISH JOURNAL OF ANAESTHESIA. 2012;108(4):675-681

Secondary spread of caudal block as assessed by ultrasonography.

Lundblad M; Eksborg S; Lönnqvist PA
Article: CURRENT OPINION IN ANESTHESIOLOGY. 2011;24(6):627-632

Blocks for pain management in children undergoing ambulatory surgery.

Lönnqvist P-A
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2011;28(9):637-639

European consensus statement for intraoperative fluid therapy in children.

Sümpelmann R; Becke K; Crean P; Jöhr M; Lönnqvist P-A; Strauss JM; Veyckemans F; German Scientific Working Group for Paediatric Ana
Article: BRITISH JOURNAL OF ANAESTHESIA. 2011;107(2):229-235

Ultrasound assessment of cranial spread during caudal blockade in children: the effect of different volumes of local anaesthetics.

Brenner L; Marhofer P; Kettner SC; Willschke H; Machata A-M; Al-Zoraigi U; Lundblad M; Lönnqvist PA
Article: BRITISH JOURNAL OF ANAESTHESIA. 2011;107(2):225-228

Effect of a small priming dose on myoclonic movements after intravenous anaesthesia induction with Etomidate-Lipuro in children.

Nyman Y; von Hofsten K; Ritzmo C; Eksborg S; Lönnqvist PA
Article: BMC PEDIATRICS. 2011;11:61

The efficacy of hypotonic and near-isotonic saline for parenteral fluid therapy given at low maintenance rate in preventing significant change in plasma sodium in post-operative pediatric patients: protocol for a prospective randomized non-blinded study.

Fläring U; Lönnqvist P-A; Frenckner B; Svensson JF; Ingolfsson I; Wallensteen L; Stigzelius S; Kowalski J; Krmar RT
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2011;28(7):511-518

Ultrasound-guided infrapatellar nerve block for anterior cruciate ligament repair: a prospective, randomised, double-blind, placebo-controlled clinical trial.

Lundblad M; Forssblad M; Eksborg S; Lönnqvist P-A
Article: PEDIATRIC ANESTHESIA. 2011;21(3):335-340

Oral bioavailability of clonidine in children.

Larsson P; Nordlinder A; Bergendahl HTG; Lönnqvist P-A; Eksborg S; Almenrader N; Anderson BJ
Article: PEDIATRIC ANESTHESIA. 2011;21(2):121-127

Segmental distribution of high-volume caudal anesthesia in neonates, infants, and toddlers as assessed by ultrasonography.

Lundblad M; Lönnqvist P-A; Eksborg S; Marhofer P
Article: CURRENT OPINION IN ANESTHESIOLOGY. 2010;23(3):337-341

Is ultrasound guidance mandatory when performing paediatric regional anaesthesia?

Lönnqvist P-A
Article: ANAESTHESIA. 2010;65 Suppl 1:97-104

Current trends in paediatric regional anaesthesia.

Willschke H; Marhofer P; Machata A-M; Lönnqvist P-A
Article: ANESTHESIA AND ANALGESIA. 2009;108(5):1488-1492

Ultrasound versus landmark-based technique for ilioinguinal-iliohypogastric nerve blockade in children: the implications on plasma levels of ropivacaine.

Weintraud M; Lundblad M; Kettner SC; Willschke H; Kapral S; Lönnqvist P-A; Koppatz K; Turnheim K; Bsenberg A; Marhofer P
Article: PEDIATRIC ANESTHESIA. 2009;19(3):257-261

Absorption pharmacokinetics of clonidine nasal drops in children.

Almenrader N; Larsson P; Passariello M; Haiberger R; Pietropaoli P; Lönnqvist P-A; Eksborg S
Article: PEDIATRIC ANESTHESIA. 2008;18(7):593-597

Single injection paravertebral block for renal surgery in children.

Berta E; Spanhel J; Smakal O; Smolka V; Gabrhelik T; Lönnqvist P-A
Article: PEDIATRIC ANESTHESIA. 2007;17(10):924-933

Clonidine disposition in children; a population analysis.

Potts AL; Larsson P; Eksborg S; Warman G; Lönnqvist P-A; Anderson BJ
Article: CURRENT OPINION IN ANESTHESIOLOGY. 2006;19(6):617-621

Paediatric day-case anaesthesia and pain control.

Lonnqvist P-A; Morton NS
Article: ANAESTHESIA. 2006;61(11):1064-1068

A comparison of nerve stimulator guided paravertebral block and ilio-inguinal nerve block for analgesia after inguinal herniorrhaphy in children.

Naja ZM; Raf M; El-Rajab M; Daoud N; Ziade FM; Al-Tannir MA; Lönnqvist PA
Article: BRITISH JOURNAL OF ANAESTHESIA. 2006;97(5):710-714

Ultrasound-guided infrapatellar nerve block in human volunteers: description of a novel technique.

Lundblad M; Kapral S; Marhofer P; Lönnqvist P-A
Article: BRITISH JOURNAL OF ANAESTHESIA. 2006;97(4):536-539

Etomidate-Lipuro is associated with considerably less injection pain in children compared with propofol with added lidocaine.

Nyman Y; Von Hofsten K; Palm C; Eksborg S; Lönnqvist PA
Article: CANADIAN JOURNAL OF ANESTHESIA-JOURNAL CANADIEN D ANESTHESIE. 2006;53(6):579-585

Nerve stimulator guided pudendal nerve block versus general anesthesia for hemorrhoidectomy.

Naja Z; El-Rajab M; Al-Tannir M; Ziade F; Zbibo R; Oweidat M; Lönnqvist P-A
Article: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2006;31(3):196-201

Thoracic paravertebral block: influence of the number of injections.

Naja ZM; El-Rajab M; Al-Tannir MA; Ziade FM; Tayara K; Younes F; Lönnqvist P-A
Article: LAKARTIDNINGEN. 2005;102(50):3880-3882

[Premature infants benefit from inhaled nitric oxide, too. Not only full-term infants with severe hypoxic respiratory failure].

Lönnqvist P-A; Jonsson B
Article: CURRENT OPINION IN ANESTHESIOLOGY. 2005;18(6):608-613

Clonidine: an alternative to benzodiazepines for premedication in children.

Bergendahl H; Lönnqvist P-A; Eksborg S
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2005;49(9):1346-1354

Blood-borne factors possibly associated with post-operative nausea and vomiting: an explorative study in women after breast cancer surgery.

Oddby-Muhrbeck E; Eksborg S; Helander A; Bjellerup P; Lindahl S; Lönnqvist P
Article: ANESTHESIOLOGY. 2005;103(3):600-605

Nerve stimulator-guided paravertebral blockade combined with sevoflurane sedation versus general anesthesia with systemic analgesia for postherniorrhaphy pain relief in children: a prospective randomized trial.

Naja ZM; Raf M; El Rajab M; Ziade FM; Al Tannir MA; Lönnqvist PA
Article: BRITISH JOURNAL OF ANAESTHESIA. 2005;95(2):222-225

Propofol injection pain in children: a prospective randomized double-blind trial of a new propofol formulation versus propofol with added lidocaine.

Nyman Y; von Hofsten K; Georgiadi A; Eksborg S; Lönnqvist PA
Article: ANAESTHESIA. 2005;60(7):680-684

Distance between the skin and the thoracic paravertebral space.

Naja MZ; Gustafsson AC; Ziade MF; El Rajab M; Al-Tannir M; Daher M; Lönnqvist PA
Article: INTENSIVE CARE MEDICINE. 2005;31(7):959-964

A pilot study of inhaled nitric oxide in preterm infants treated with nasal continuous positive airway pressure for respiratory distress syndrome.

Lindwall R; Blennow M; Svensson M; Jonsson B; Berggren-Boström E; Flanby M; Lönnqvist P-A; Frostell C; Norman M
Article: PEDIATRIC ANESTHESIA. 2005;15(6):491-494

Caudal anesthesia for minor pediatric surgery: a prospective randomized comparison of ropivacaine 0.2% vs levobupivacaine 0.2%.

Ivani G; De Negri P; Lonnqvist PA; L'Erario M; Mossetti V; Difilippo A; Rosso F
Article: CANADIAN JOURNAL OF ANESTHESIA-JOURNAL CANADIEN D ANESTHESIE. 2005;52(1):62-68

Nerve stimulator guided pudendal nerve block decreases posthemorrhoidectomy pain.

Naja Z; Ziade MF; Lönnqvist P-A
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2004;48(10):1292-1300

Clonidine vs. midazolam as premedication in children undergoing adeno-tonsillectomy: a prospective, randomized, controlled clinical trial.

Bergendahl HTG; Lönnqvist PA; Eksborg S; Ruthström E; Nordenberg L; Zetterqvist H; Oddby E
Article: ANESTHESIA AND ANALGESIA. 2004;99(1):45-48

A comparison of epidural bupivacaine, levobupivacaine, and ropivacaine on postoperative analgesia and motor blockade.

De Negri P; Ivani G; Tirri T; Modano P; Reato C; Eksborg S; Lonnqvist P-A
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2004;21(6):489-495

General anaesthesia combined with bilateral paravertebral blockade (T5-6) vs. general anaesthesia for laparoscopic cholecystectomy: a prospective, randomized clinical trial.

Naja MZ; Ziade MF; Lönnqvist PA
Article: ANAESTHESIA. 2004;59(5):459-463

Varying anatomical injection points within the thoracic paravertebral space: effect on spread of solution and nerve blockade.

Naja MZ; Ziade MF; El Rajab M; El Tayara K; Lönnqvist PA
Article: INTENSIVE CARE MEDICINE. 2004;30(3):372-380

Inhaled nitric oxide therapy in neonates and children: reaching a European consensus.

Macrae DJ; Field D; Mercier J-C; Møller J; Stiris T; Biban P; Cornick P; Goldman A; Göthberg S; Gustafsson LE; Hammer J; Lönnqvist P-A; Sanchez-Luna M; Sedin G; Subhedar N
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2003;20(11):897-903

Nerve-stimulator guided paravertebral blockade vs. general anaesthesia for breast surgery: a prospective randomized trial.

Naja MZ; Ziade MF; Lönnqvist PA
Article: CURRENT OPINION IN ANESTHESIOLOGY. 2003;16(5):461-470

Neuraxial blocks for anaesthesia and analgesia in children.

Peutrell JM; Lonnqvist P-A
Article: ANESTHESIA AND ANALGESIA. 2003;97(2):368-371

A comparison of three different concentrations of levobupivacaine for caudal block in children.

Ivani G; De Negri P; Lonnqvist P-A; Eksborg S; Mossetti V; Grossetti R; Italiano S; Rosso F; Tonetti F; Codipietro L
Article: PEDIATRIC ANESTHESIA. 2002;12(8):680-684

Spinal versus peripheral effects of adjunct clonidine: comparison of the analgesic effect of a ropivacaine-clonidine mixture when administered as a caudal or ilioinguinal-iliohypogastric nerve blockade for inguinal surgery in children.

Ivani G; Conio A; De Negri P; Eksborg S; Lönnqvist PA
Article: PEDIATRIC ANESTHESIA. 2002;12(6):530-536

Delivery characteristics of a combined nitric oxide nasal continuous positive airway pressure system.

Lindwall R; Frostell CG; Lönnqvist PA
Article: ANESTHESIOLOGY. 2002;96(5):1109-1114

Effects of clonidine on postoperative nausea and vomiting in breast cancer surgery.

Oddby-Muhrbeck E; Eksborg S; Bergendahl HTG; Muhrbeck O; Lönnqvist PA
Article: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2002;19(3):197-202

Bilateral paravertebral somatic nerve block for ventral hernia repair.

Naja Z; Ziade MF; Lönnqvist PA
Article: ANAESTHESIA. 2001;56(12):1184-1188

Somatic paravertebral nerve blockade. Incidence of failed block and complications.

Naja Z; Lönnqvist PA
Article: PEDIATRIC ANESTHESIA. 2001;11(6):685-689

Use of albumin, blood transfusion and intraoperative glucose by APA and ADARPEF members: a postal survey.

Söderlind M; Salvignol G; Izard P; Lönnqvist PA
Article: ANESTHESIA AND ANALGESIA. 2001;93(1):71-76

The dose-response relationship for clonidine added to a postoperative continuous epidural infusion of ropivacaine in children.

De Negri P; Ivani G; Visconti C; De Vivo P; Lonnqvist PA
Article: PEDIATRIC ANESTHESIA. 2001;11(3):337-342

Postoperative nausea and vomiting in paediatric ambulatory surgery: sevoflurane versus spinal anaesthesia with propofol sedation.

Oddby E; Englund S; Lönnqvist PA
Article: NEONATOLOGY. 2001;79(1):21-26

Single breath analysis of endogenous nitric oxide in the newborn.

Artlich A; Jónsson B; Bhiladvala M; Lönnqvist PA; Gustafsson LE
Article: IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS. 2001;31(5):349-360

Understanding socially intelligent agents -: A multilayered phenomenon

Persson P; Laaksolahti J; Lönnqvist P
Article: ACTA PAEDIATRICA. 2000;89(12):1414-1419

Residual pulmonary hypertension in children after treatment with inhaled nitric oxide: a follow-up study regarding cardiopulmonary and neurological symptoms.

Göthberg S; Edberg KE; Tang SF; Michelsen S; Winberg P; Holmgren D; Miller O; Thaulow E; Lönnqvist PA
Article: BRITISH JOURNAL OF ANAESTHESIA. 2000;85(4):506-511

Ropivacaine pharmacokinetics after caudal block in 1-8 year old children.

Lönnqvist PA; Westrin P; Larsson BA; Olsson GL; Lybeck A; Huledal G; Bielenstein M
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2000;44(4):446-449

Ropivacaine-clonidine combination for caudal blockade in children.

Ivani G; De Negri P; Conio A; Amati M; Roero S; Giannone S; Lönnqvist PA
Article: PEDIATRIC ANESTHESIA. 2000;10(3):283-289

Age-dependent variations in white adipose tissue glycerol and lactate production after surgery measured by microdialysis in neonates and children.

Hildingsson U; Lönnqvist PA; Selldén H; Eksborg S; Ungerstedt U; Marcus C
Article: EXPERIMENTAL PHYSIOLOGY. 1999;84(5):959-969

Exhaled nitric oxide increases during high frequency oscillatory ventilation in rabbits.

Artlich A; Adding C; Agvald P; Persson MG; Lonnqvist PA; Gustafsson LE
Article: BRITISH JOURNAL OF ANAESTHESIA. 1999;82(3):391-394

Neuropeptide Y response to tracheal intubation in anaesthetized children: effects of clonidine vs midazolam as premedication.

Bergendahl HT; Eksborg S; Kogner P; Lönnqvist PA
Article: BRITISH JOURNAL OF ANAESTHESIA. 1998;81(2):247-248

Comparison of ropivacaine with bupivacaine for paediatric caudal block.

Ivani G; Lampugnani E; Torre M; Calevo Maria G; DeNegri P; Borrometi F; Messeri A; Calamandrei M; Lonnqvist PA; Morton NS
Article: JAPANESE JOURNAL OF CLINICAL ONCOLOGY. 1998;28(8):507-510

Difficult tracheal intubation in patients with retinoblastoma caused by 13q deficiency.

Saito T; Kaneko A; Muramatsu Y; Inomata M; Murakami Y; Den S; Gotanda J; Yokokawa N; Hiraga K; Carney E; Lönnqvist PA; Carlsson C
Article: MUTATION RESEARCH-FUNDAMENTAL AND MOLECULAR MECHANISMS OF MUTAGENESIS. 1998;414(1-3):107-115

Induction of chromosome aberrations in peripheral blood lymphocytes after short time inhalation of nitric oxide.

Luhr OR; Frostell CG; Heywood R; Riley S; Lönnqvist P
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 1998;42(3):306-311

Plasma levels of clonidine following epidural bolus injection in children.

Ivani G; Bergendahl HT; Lampugnani E; Eksborg S; Jasonni V; Palm C; Mattioli G; Podesta E; Famularo A; Lönnqvist PA
Article: ANNALES FRANCAISES D'ANESTHESIE ET DE REANIMATION. 1998;17(5):fi99-f101

[Paravertebral space block in children].

Lönnqvist PA
Article: INTENSIVE CARE MEDICINE. 1997;23(9):998-1001

Design flaw can convert commercially available continuous syringe pumps to intermittent bolus injectors.

Lönnqvist PA; Löfqvist B
Article: INTENSIVE CARE MEDICINE. 1997;23(7):773-779

Inhaled nitric oxide in newborn and paediatric patients with pulmonary hypertension and moderate to severe impaired oxygenation: effects of doses of 3-100 parts per million.

Lönnqvist PA
Article: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 1997;41(3):381-384

Low-dose intravenous clonidine in children: plasma concentrations and haemodynamic response.

Bergendahl HT; Eksborg S; Lönnqvist PA
Article: ANESTHESIA AND ANALGESIA. 1997;84(3):501-505

Plasma concentrations of bupivacaine in neonates after continuous epidural infusion.

Larsson BA; Lönnqvist PA; Olsson GL
Article: ACTA PHYSIOLOGICA. 1997;159(1):59-67

Lung distension and carbon dioxide affect pulmonary nitric oxide formation in the anaesthetized rabbit.

Strömberg S; Lönnqvist PA; Persson MG; Gustafsson LE
Article: ACTA PAEDIATRICA. 1995;84(10):1188-1192

Inhaled nitric oxide in infants with developing or established chronic lung disease.

Lönnqvist PA; Jonsson B; Winberg P; Frostell CG
Article: ANESTHESIOLOGY. 1995;82(4):969-974

Positive end-expiratory pressure ventilation elicits increases in endogenously formed nitric oxide as detected in air exhaled by rabbits.

Persson MG; Lönnqvist PA; Gustafsson LE
Article: PERFUSION-UK. 1995;10(1):17-20

Effects of pronounced haemodilution on the plasma protein binding of lidocaine.

Lönnqvist PA; Herngren L
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All other publications

Review: FRONTIERS IN PEDIATRICS. 2023;11:1111270

Capnodynamics - noninvasive cardiac output and mixed venous oxygen saturation monitoring in children.

Karlsson J; Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2022;32(5):600-608

Role of information and preparation for improvement of pediatric perioperative care.

Lööf G; Lönnqvist P-A
Letter: PEDIATRIC ANESTHESIA. 2022;32(5):687

Comment regarding the recent Editorial by Vutskits and Skowno.

Lönnqvist P-A; Wallin M; Karlsson J
Letter: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2022;39(4):394-396

Intravenous fluids: issues warranting concern.

Mertzlufft F; Brettner F; Crystal GJ; Hollmann MW; Kasatkin A; Lönnqvist P-A; Singer D; Sümpelmann R; Wenzel V; Zander R; Ziegenfuß T
Review: PEDIATRIC ANESTHESIA. 2022;32(2):255-261

Capnodynamics-Measuring cardiac output via ventilation.

Karlsson J; Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2022;32(1):10-16

Blood pressure and flow in pediatric anesthesia: An educational review.

Karlsson J; Lönnqvist P-A
Letter: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2021;46(11):1013-1014

Efficacy and pharmacokinetics of erector spinae plane block in children.

Lonnqvist P-A
Letter: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2021;46(10):929-930

Response to Dr Howle and collegues.

Lonnqvist PA; Karmakar MK; Richardson J; Moriggl B
Editorial comment: ANAESTHESIA CRITICAL CARE & PAIN MEDICINE. 2021;40(5):100957

2021 adaptation of the editorial policy of Anaesthesia Critical Care and Pain Medicine (ACCPM).

Lefrant J-Y; Pirracchio R; Benhamou D; Njeim R; Ausset S; Bastide S; Biais M; Bouvet L; Brissaud O; Brull SJ; Capdevila X; Cuvillon P; Dadure C; David J-S; Bin D; Fischer M-O; Forget P; Fujii T; Godier A; Gopalan DP; Hamada S; Joannes-Boyau O; Kerever S; Kipnis É; Kolodzie K; Landau R; Le Gall A; Le Guen M; Legrand M; Lonnqvist PA; Lorne E; Mercier F; Mongardon N; Nicolas-Robin A; Peters MJ; Quintard H; Rello J; Richebe P; Roberts JA; Rocquilly A; Schneider A; Veyckemans F; Zetlaoui P; Abou Arab O; Blet A; Bounes F; Boisson M; Caillard A; Carillon A; Clavier T; Frasca D; James A; Sigaut S; Rozencwajg S; Bouaziz H
Letter: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2021;46(9):837-838

Response to comments by Dr Forero to our daring discourse.

Lonnqvist PA; Karmakar MK; Richardson J; Moriggl B
Letter: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2021;46(5):459

Accumulating marginal gains.

Lonnqvist PA; Karmakar MK
Review: MINERVA ANESTESIOLOGICA. 2020;86(11):1205-1213

What has happened since the First World Congress on Pediatric Pain in 1988? The past, the present and the future.

Lönnqvist P-A
Letter: BRITISH JOURNAL OF ANAESTHESIA. 2020;125(3):e334-e336

Does prolonged propofol sedation of mechanically ventilated COVID-19 patients contribute to critical illness myopathy?

Lönnqvist P-A; Bell M; Karlsson T; Wiklund L; Höglund A-S; Larsson L
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2020;125(2):115-117

Asleep or awake: is paediatric regional anaesthesia without general anaesthesia possible?

Lönnqvist P-A
Letter: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2020;64(2):277

Response to comments on our Editorial.

Lönnqvist P-A; Karmakar M
Review: ANESTHESIA AND ANALGESIA. 2019;129(6):1653-1665

Impact of Anesthetics, Analgesics, and Perioperative Blood Transfusion in Pediatric Cancer Patients: A Comprehensive Review of the Literature.

Cata JP; Owusu-Agyemang P; Kapoor R; Lonnqvist P-A
Editorial comment: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2019;63(9):1126-1128

Close-to-the-nerve vs interfascial plane blocks: Sniper rifle vs shotgun-which will hit the target most reliably?

Lönnqvist P-A; Karmakar M
Letter: PEDIATRIC RESEARCH. 2019;86(1):5-8

Sodium and water homeostasis in children admitted with acute appendicitis: a prospective study.

Lindestam U; Fläring U; Almström M; Andersson A; Svensson JF; Malmquist P; Jacks J; Lönnqvist P-A; Jensen BL; Carlström M; Krmar RT
Letter: PEDIATRIC ANESTHESIA. 2019;29(4):391-392

Reply to Haydar, Bishr; Holman, Ashlee; Galante, Dario, regarding their comment "ESPA pain management ladder: Caudal clonidine and cost/benefit considerations".

Vittinghoff M; Lönnqvist PA; Morton NS
Review: BRITISH JOURNAL OF ANAESTHESIA. 2019;122(4):509-517

Caudal epidural blocks in paediatric patients: a review and practical considerations.

Wiegele M; Marhofer P; Lönnqvist P-A
Review: BRITISH JOURNAL OF ANAESTHESIA. 2019;122(3):335-341

Capnodynamic determination of cardiac output in hypoxia-induced pulmonary hypertension in pigs.

Karlsson J; Wallin M; Hallbäck M; Lönnqvist PA
Review: PEDIATRIC ANESTHESIA. 2018;28(7):580-587

A healthy measure of monitoring fundamentals!

Wallin M; Lönnqvist P-A
Review: CURRENT OPINION IN ANESTHESIOLOGY. 2018;31(3):308-312

A different perspective: anesthesia for extreme premature infants: is there an age limitation or how low should we go?

Lönnqvist P-A
Letter: ACTA PAEDIATRICA. 2018;107(2):204-205

Number needed to suffer: replying to comments on my paper.

Lönnqvist P-A
Editorial comment: ACTA PAEDIATRICA. 2018;107(2):200-202

The potential implications of using disability-free survival and number needed to suffer as outcome measures for neonatal intensive care.

Lönnqvist P-A
Review: CURRENT OPINION IN ANESTHESIOLOGY. 2017;30(5):613-620

The European society of regional anesthesia and pain therapy and the American society of regional anesthesia and pain medicine joint committee practice advisory on controversial topics in pediatric regional anesthesia I and II: what do they tell us?

Lönnqvist P-A; Ecoffey C; Bosenberg A; Suresh S; Ivani G
Other: PEDIATRIC ANESTHESIA. 2017;27(4):444-445

In Memoriam Professor Riku Aantaa: 1959-2016.

Suominen P; Lönnqvist P-A; Manner T
Letter: ANAESTHESIA. 2017;72(4):543

Eligibility criteria in paravertebral block meta-analysis.

Abdallah FW; Børglum J; van Geffen G; Pawa A; Greher M; Costache I; Lonnqvist P-A
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2017;118(3):286-288

Medical research and the ethics of medical treatments: disability-free survival.

Lönnqvist P-A
Review: CURRENT OPINION IN ANESTHESIOLOGY. 2016;29(5):626-631

Adjunct analgesic drugs to local anaesthetics for neuroaxial blocks in children.

Lundblad M; Lönnqvist P-A
Editorial comment: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2016;60(6):693-696

Pharmacological treatment versus acute lung injury/acute respiratory distress syndrome - reflections from the clinical perspective and yacht racing (and more).

Frostell C; Lönnqvist P-A
Editorial comment: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2016;60(3):280-283

The rise and fall of anaesthesia-related neurotoxicity and the immature developing human brain.

Hansen TG; Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2016;26(3):232-238

Alpha-2 adrenoceptor agonists as adjuncts to peripheral nerve blocks in children: a meta-analysis.

Lundblad M; Trifa M; Kaabachi O; Ben Khalifa S; Fekih Hassen A; Engelhardt T; Eksborg S; Lönnqvist P-A
Letter: PEDIATRIC ANESTHESIA. 2015;25(5):538

Reply to Dr. Haydar regarding his comment: caudal clonidine and apnea risk.

Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2015;25(1):44-51

Bradycardia in perspective-not all reductions in heart rate need immediate intervention.

Mason KP; Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2015;25(1):100-106

Adjuncts should always be used in pediatric regional anesthesia.

Lönnqvist P-A
Review: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2014;58(9):1049-1060

The use of ultrasound-guided regional anaesthetic techniques in neonates and young infants.

Marhofer P; Lönnqvist P-A
Editorial comment: EUROPEAN JOURNAL OF ANAESTHESIOLOGY. 2014;31(6):303-304

Anatomical dissections are not obsolete. Cadaver studies can still provide important information for regional anaesthesia.

Lönnqvist P-A; Bösenberg AT
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2014;112(3):404-406

III. Fluid management in association with neonatal surgery: even tiny guys need their salt.

Lönnqvist P-A
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2012;109(2):138-140

Ketamine as an adjunct to caudal block in neonates and infants: is it time to re-evaluate?

Lönnqvist P-A; Walker SM
Editorial comment: PEDIATRIC ANESTHESIA. 2012;22(5):421-424

Alpha-2 adrenoceptor agonists as adjuncts to Peripheral Nerve Blocks in Children--is there a mechanism of action and should we use them?

Lönnqvist P-A
Review: PEDIATRIC ANESTHESIA. 2012;22(1):39-43

Toxicity of local anesthetic drugs: a pediatric perspective.

Lönnqvist P-A
Editorial comment: PEDIATRIC ANESTHESIA. 2012;22(1):1-2

Themed issue 'Pediatric Regional Anesthesia'- starting 2012 with a bang!

Lönnqvist P-A
Review: BRITISH JOURNAL OF ANAESTHESIA. 2011;106(2):164-171

Bilateral thoracic paravertebral block: potential and practice.

Richardson J; Lönnqvist PA; Naja Z
Editorial comment: PEDIATRIC ANESTHESIA. 2011;21(2):95-97

The potential future or just a way of trespassing the safety limits of pediatric regional anesthesia?

Bösenberg A; Lönnqvist P-A
Review: BEST PRACTICE & RESEARCH-CLINICAL ANAESTHESIOLOGY. 2010;24(3):309-321

Regional anaesthesia and analgesia in the neonate.

Lönnqvist P-A
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2009;103(6):783-785

Cuffed or uncuffed tracheal tubes during anaesthesia in infants and small children: time to put the eternal discussion to rest?

Lönnqvist PA
Review: PEDIATRIC ANESTHESIA. 2009;19(10):958-960

Consent issues and pediatric regional anesthesia.

Lönnqvist P-A; Morton NS; Ross AK
Editorial comment: PEDIATRIC ANESTHESIA. 2009;19(9):817-828

The place of premedication in pediatric practice.

Rosenbaum A; Kain ZN; Larsson P; Lönnqvist P-A; Wolf AR
Editorial comment: PEDIATRIC ANESTHESIA. 2007;17(3):203-205

Inappropriate perioperative fluid management in children: time for a solution?!

Lönnqvist P-A
Review: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2006;50(2):135-143

Clonidine in paediatric anaesthesia: review of the literature and comparison with benzodiazepines for premedication.

Bergendahl H; Lönnqvist P-A; Eksborg S
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2005;95(6):727-728

Pre-emptive analgesia with thoracic paravertebral blockade?

Lönnqvist P-A
Editorial comment: BRITISH JOURNAL OF ANAESTHESIA. 2005;95(4):431-433

Adjuncts to caudal block in children--Quo vadis?

Lönnqvist PA
Letter: ANAESTHESIA. 2005;60(9):931

Thoracic paravertebral nerve block, nerve stimulator guidance and the endothoracic fascia.

Lang SA; Saito T
Published conference paper: BRITISH JOURNAL OF ANAESTHESIA. 2005;95(1):59-68

Postoperative analgesia in infants and children.

Lönnqvist P-A; Morton NS
Editorial comment: PEDIATRIC ANESTHESIA. 2005;15(4):263-265

Midazolam as premedication: is the emperor naked or just half-dressed?

Lönnqvist P-A; Habre W
Review: BEST PRACTICE & RESEARCH-CLINICAL ANAESTHESIOLOGY. 2004;18(2):321-342

Major abdominal surgery of the neonate: anaesthetic considerations.

Lönnqvist P-A
Published conference paper: PEDIATRIC ANESTHESIA. 2004;14(5):394-397

Update on systemic postoperative analgesia in children.

Lundeberg S; Lönnqvist P-A
Letter: ANAESTHESIA. 2004;59(10):1028-1029

Thoracic paravertebral blockade -: Reply

Naja Z; Lönnqvist PA
Letter: PEDIATRIC ANESTHESIA. 2003;13(6):554

Caudal opioids -: Reply

Lönnqvist PA; Ivani G; Moriarty T
Editorial comment: PEDIATRIC ANESTHESIA. 2002;12(9):747-749

Use of caudal-epidural opioids in children: still state of the art or the beginning of the end?

Lönnqvist PA; Ivani G; Moriarty T
Letter: ANESTHESIA AND ANALGESIA. 2002;95(4):1121-1122

Increased postoperative arterial blood pressure stability with continuous epidural infusion of clonidine in children.

G Bergendahl HT; Lonnqvist PA; De Negri P; Ivani G; Eksborg S
Published conference paper: REGIONAL ANESTHESIA AND PAIN MEDICINE. 2002;27(2):157-161

Comparison of racemic bupivacaine, ropivacaine, and levo-bupivacaine for pediatric caudal anesthesia: effects on postoperative analgesia and motor block.

Ivani G; DeNegri P; Conio A; Grossetti R; Vitale P; Vercellino C; Gagliardi F; Eksborg S; Lonnqvist P-A
Letter: ANAESTHESIA. 2002;57(5):512

Paravertebral block -: Reply

Lönnqvist PA
Letter: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2001;45(4):519

Oops--wrong dose of epidural clonidine in children!

Lönnqvist PA
Editorial comment: ACTA ANAESTHESIOLOGICA SCANDINAVICA. 2001;45(1):1-3

Entering the paravertebral space age again?

Lönnqvist PA
Editorial comment: INTENSIVE CARE MEDICINE. 2000;26(6):660-661

How continuous are continuous drug infusions?

Lönnqvist PA
Published conference paper: ACTA PHYSIOLOGICA. 1999;167(2):175-179

Efficacy and economy of inhaled nitric oxide in neonates accepted for extra-corporeal membrane oxygenation.

Lönnqvist PA
Meeting abstract: PEDIATRIC RESEARCH. 1999;45(6):897

Single breath exhaled nitric oxide (NO) in the newborn

Artlich A; Jónsson B; Bhiladvala M; Lönnqvist PA; Lagercrantz H; Gustafsson LE
Published conference paper: CANADIAN JOURNAL OF ANESTHESIA-JOURNAL CANADIEN D ANESTHESIE. 1999;46(5 Pt 1):467-469

Ropivacaine vs bupivacaine in major surgery in infants.

Ivani G; Lampugnani E; De Negri P; Lonnqvist PA; Broadman L
Letter: BRITISH JOURNAL OF ANAESTHESIA. 1999;82(1):150

Thoracic paravertebral block -: Reply

Richardson J; Lönnqvist PA
Review: BRITISH JOURNAL OF ANAESTHESIA. 1998;81(2):230-238

Thoracic paravertebral block.

Richardson J; Lönnqvist PA
Published conference paper: ANAESTHESIA. 1998;53 Suppl 2:74-76

Ropivacaine for central blocks in children.

Ivani G; Mazzarello G; Lampugnani E; DeNegri P; Torre M; Lonnqvist PA
Letter: INTENSIVE CARE MEDICINE. 1998;24(3):278

Continuous syringe pumps.

Lönnqvist PA; Löfqvist B
Published conference paper: PEDIATRIC ANESTHESIA. 1998;8(2):127-129

Ropivacaine in paediatric surgery: preliminary results.

Ivani G; Mereto N; Lampugnani E; Negri PD; Torre M; Mattioli G; Jasonni V; Lönnqvist PA
Letter: ANESTHESIOLOGY. 1996;84(6):1530

Is general anesthesia required? Reply

Lonnqvist PA
Other: ANAESTHESIA. 1995;50(9):813-815

Paravertebral blockade. Failure rate and complications.

Lönnqvist PA; MacKenzie J; Soni AK; Conacher ID
Other: ANESTHESIOLOGY. 1995;83(2):422-424

Successful use of laryngeal mask airway in low-weight expremature infants with bronchopulmonary dysplasia undergoing cryotherapy for retinopathy of the premature.

Lönnqvist PA
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Employments

Professor/Senior Physician, Department of Physiology and Pharmacology, Karolinska Institutet, 2016-

Degrees and Education

Docent, Karolinska Institutet, 1997

About me

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Degrees and Education

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