Perjohan Lindfors

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Articles

Article: NEUROGASTROENTEROLOGY AND MOTILITY. 2024;36(3):e14744
Ashtangayoga for irritable bowel syndrome in a primary care setting: A feasibility study
Kern D; Lindfors E; Laler L; Lindfors A; Ljotsson B; Lindfors P
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2022;57(8):904-911
Exposure based cognitive behavioral group therapy for IBS at a gastroenterological clinic - a clinical effectiveness study
Wallen H; Ljotsson B; Svanborg C; Rydh S; Falk L; Lindfors P
Article: DIAGNOSTICS. 2022;12(5):1155
The Effectiveness and Tolerability of a Very Low-Volume Bowel Preparation for Colonoscopy Compared to Low and High-Volume Polyethylene Glycol-Solutions in the Real-Life Setting
Bednarska O; Nyhlin N; Schmidt PT; Johansson GW; Toth E; Lindfors P
Article: BMC GASTROENTEROLOGY. 2021;21(1):289
Return on investment of internet delivered exposure therapy for irritable bowel syndrome: a randomized controlled trial
Wallen H; Lindfors P; Andersson E; Hedman-Lagerlof E; Hesser H; Lindefors N; Svanborg C; Ljotsson B
Article: BEHAVIOUR RESEARCH AND THERAPY. 2021;141:103862
Behavioral avoidance moderates the effect of exposure therapy for irritable bowel syndrome: A secondary analysis of results from a randomized component trial
Hesser H; Hedman-Lagerlof E; Lindfors P; Andersson E; Ljotsson B
Article: CLINICAL GASTROENTEROLOGY AND HEPATOLOGY. 2021;19(4):743-751.e1
Online Education Is Non-Inferior to Group Education for Irritable Bowel Syndrome: A Randomized Trial and Patient Preference Trial
Lindfors P; Axelsson E; Engstrand K; Storsrud S; Jerlstad P; Tornblom H; Ljotsson B; Simren M; Ringstrom G
Article: GUT. 2018;67(5):872-881
Multivariate modelling of faecal bacterial profiles of patients with IBS predicts responsiveness to a diet low in FODMAPs
Bennet SMP; Bohn L; Storsrud S; Liljebo T; Collin L; Lindfors P; Tornblom H; Ohman L; Simren M
Article: JOURNAL OF CONSULTING AND CLINICAL PSYCHOLOGY. 2018;86(3):254-267
How Does Exposure Therapy Work? A Comparison Between Generic and Gastrointestinal Anxiety-Specific Mediators in a Dismantling Study of Exposure Therapy for Irritable Bowel Syndrome
Hesser H; Hedman-Lagerlof E; Andersson E; Lindfors P; Ljotsson B
Article: PSYCHOLOGICAL MEDICINE. 2017;47(15):2653-2662
The specific effect of systematic exposure in irritable bowel syndrome: complier average causal effect analysis using growth mixture modeling
Hesser H; Hedman E; Lindfors P; Andersson E; Ljotsson B
Article: GASTROENTEROLOGY. 2015;149(6):1399-1407.e2
Diet Low in FODMAPs Reduces Symptoms of Irritable Bowel Syndrome as Well as Traditional Dietary Advice: A Randomized Controlled Trial
Boehn L; Stoersrud S; Liljebo T; Collin L; Lindfors P; Toernblom H; Simren M
Article: BEHAVIOUR RESEARCH AND THERAPY. 2014;55:27-39
Provoking symptoms to relieve symptoms: A randomized controlled dismantling study of exposure therapy in irritable bowel syndrome
Ljotsson B; Hesser H; Andersson E; Lackner JM; El Alaoui S; Falk L; Aspvall K; Fransson J; Hammarlund K; Lofstrom A; Nowinski S; Lindfors P; Hedman E
Article: JOURNAL OF CONSULTING AND CLINICAL PSYCHOLOGY. 2013;81(6):1113-1126
Mechanisms of Change in an Exposure-Based Treatment for Irritable Bowel Syndrome
Ljotsson B; Hesser H; Andersson E; Lindfors P; Hursti T; Ruck C; Lindefors N; Andersson G; Hedman E
Article: BMC GASTROENTEROLOGY. 2013;13:160
Prediction of symptomatic improvement after exposure-based treatment for irritable bowel syndrome
Ljotsson B; Andersson E; Lindfors P; Lackner JM; Gronberg K; Molin K; Noren J; Romberg K; Andersson E; Hursti T; Hesser H; Hedman E
Article: NEUROGASTROENTEROLOGY AND MOTILITY. 2013;25(2):169-e86
Patient satisfaction after gut-directed hypnotherapy in irritable bowel syndrome
Lindfors P; Ljotsson B; Bjornsson E; Abrahamsson H; Simren M
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2012;47(12):1480-1487
Effects on gastrointestinal transit and antroduodenojejunal manometry after gut-directed hypnotherapy in irritable bowel syndrome (IBS).
Lindfors P; Törnblom H; Sadik R; Björnsson ES; Abrahamsson H; Simrén M
Article: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2012;47(4):414-420
Long-term effects of hypnotherapy in patients with refractory irritable bowel syndrome
Lindfors P; Unge P; Nyhlin H; Ljotsson B; Bjornsson ES; Abrahamsson H; Simren M
Article: AMERICAN JOURNAL OF GASTROENTEROLOGY. 2012;107(2):276-285
Effects of Gut-Directed Hypnotherapy on IBS in Different Clinical Settings-Results From Two Randomized, Controlled Trials
Lindfors P; Unge P; Arvidsson P; Nyhlin H; Bjornsson E; Abrahamsson H; Simren M
Article: BMC GASTROENTEROLOGY. 2011;11:110
Acceptability, effectiveness, and cost-effectiveness of internet-based exposure treatment for irritable bowel syndrome in a clinical sample: a randomized controlled trial
Ljotsson B; Andersson G; Andersson E; Hedman E; Lindfors P; Andreewitch S; Ruck C; Lindefors N
Article: AMERICAN JOURNAL OF GASTROENTEROLOGY. 2011;106(8):1481-1491
Internet-Delivered Exposure-Based Treatment vs. Stress Management for Irritable Bowel Syndrome: A Randomized Trial
Ljotsson B; Hedman E; Andersson E; Hesser H; Lindfors P; Hursti T; Rydh S; Ruck C; Lindefors N; Andersson G
Article: BEHAVIOUR RESEARCH AND THERAPY. 2011;49(1):58-61
Long-term follow-up of internet-delivered exposure and mindfulness based treatment for irritable bowel syndrome
Ljotsson B; Hedman E; Lindfors P; Hursti T; Lindefors N; Andersson G; Ruck C
Article: BEHAVIOUR RESEARCH AND THERAPY. 2010;48(6):531-539
Internet-delivered exposure and mindfulness based therapy for irritable bowel syndrome - A randomized controlled trial
Ljotsson B; Falk L; Vesterlund AW; Hedman E; Lindfors P; Ruck C; Hursti T; Andreewitch S; Jansson L; Lindefors N; Andersson G
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All other publications

Review: COGNITIVE BEHAVIOUR THERAPY. 2023;52(6):565-584
Psychological treatments for irritable bowel syndrome: a comprehensive systematic review and meta-analysis
Axelsson E; Kern D; Hedman-Lagerlof E; Lindfors P; Palmgren J; Hesser H; Andersson E; Johansson R; Olen O; Bonnert M; Lalouni M; Ljotsson B
Letter: GASTROENTEROLOGY. 2016;150(4):1047-1048
Diet Therapy for Irritable Bowel Syndrome: Is a Diet Low in FODMAPS Really Similar in Efficacy to Traditional Dietary Advice? Reply
Simren M; Bohn L; Storsrud S; Liljebo T; Collin L; Lindfors P; Tornblom H
Review: SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY. 2009;44(6):646-660
Function and dysfunction of the colon and anorectum in adults: Working team report of the Swedish Motility Group (SMoG)
Karling P; Abrahamsson H; Dolk A; Hallbook O; Hellstrom PM; Knowles CH; Kjellstrom L; Lindberg G; Lindfors P-J; Nyhlin H; Ohlsson B; Schmidt PT; Sjolund K; Sjovall H; Walter S

Employments

Affiliated to Research, Department of Clinical Neuroscience, Karolinska Institutet, 2022-2025

Degrees and Education

Docent, Gastroenterology, Karolinska Institutet, 2023
University Medical Degree, Karolinska Institutet, 1996

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