Gunnvald Kvarstein
- Consultant; MD, PhD
Publications 2023
An observational post-authorization safety study (PASS) of naloxegol drug utilization in four European countries
Pharmacoepidemiol Drug Saf, 33 (1), e5710
DOI 10.1002/pds.5710, PubMed 37969030
Publications 2022
Home administration of needle injections for children with rheumatic diseases: A qualitative study on nurses' perception of their educational role
J Pediatr Nurs, 66, e137-e144
DOI 10.1016/j.pedn.2022.04.011, PubMed 35491289
Publications 2021
The efficacy of botulinum toxin A treatment for tension-type or cervicogenic headache: a systematic review and meta-analysis of randomized, placebo-controlled trials
Scand J Pain, 21 (4), 635-652
DOI 10.1515/sjpain-2021-0038, PubMed 34090319
I don't want to think about it: a qualitative study of children (6-18 years) with rheumatic diseases and parents' experiences with regular needle injections at home
Pediatr Rheumatol Online J, 19 (1), 8
DOI 10.1186/s12969-021-00495-4, PubMed 33482852
Publications 2020
Postoperative opioids and risk of respiratory depression - A cross-sectional evaluation of routines for administration and monitoring in a tertiary hospital
Scand J Pain, 21 (1), 203-207
DOI 10.1515/sjpain-2020-0060, PubMed 33108339
Mediators of Pain and Physical Function in Female and Male Patients with Chronic Pain
J Pain Res, 13, 1059-1071
DOI 10.2147/JPR.S233501, PubMed 32547171
Response to the Comment on "Epidural Analgesia (TEA) vs. IV-PCA After Open Liver Surgery"
Ann Surg, 271 (5), e126-e127
DOI 10.1097/SLA.0000000000003684, PubMed 31800498
Responses after spinal interventions in a clinical pain practice - a pragmatic observational study
Scand J Pain, 20 (3), 469-482
DOI 10.1515/sjpain-2019-0126, PubMed 31977310
Pre-consultation biopsychosocial data from patients admitted for management at pain centers in Norway
Scand J Pain, 20 (2), 363-373
DOI 10.1515/sjpain-2019-0076, PubMed 31940290
Children's fear of needle injections: a qualitative study of training sessions for children with rheumatic diseases before home administration
Pediatr Rheumatol Online J, 18 (1), 13
DOI 10.1186/s12969-020-0406-6, PubMed 32033566
Publications 2019
Intravenous Patient-controlled Analgesia Versus Thoracic Epidural Analgesia After Open Liver Surgery: A Prospective, Randomized, Controlled, Noninferiority Trial
Ann Surg, 270 (2), 193-199
DOI 10.1097/SLA.0000000000003209, PubMed 30676382
Cryoneurolysis for cervicogenic headache - a double blinded randomized controlled study
Scand J Pain, 20 (1), 39-50
DOI 10.1515/sjpain-2019-0086, PubMed 31675351
Electrosurgery and Temperature Increase in Tissue With a Passive Metal Implant
Front Surg, 6, 8
DOI 10.3389/fsurg.2019.00008, PubMed 30915337
Recruitment and inclusion procedures as "pain killers" in clinical trials?
J Pain Res, 12, 2027-2037
DOI 10.2147/JPR.S204259, PubMed 31308731
Rights assessment and quality of referrals- rate of agreement between four pain management centres
Tidsskr. Nor. Laegeforen., 139 (9), 817-822
Rights assessment and quality of referrals - rate of agreement between four pain management centres
Tidsskr Nor Laegeforen, 139 (9)
DOI 10.4045/tidsskr.18.0396, PubMed 31140252
Publications 2018
Understanding Pain and Pain Management in Elderly Nursing Home Patients Applying an Interprofessional Learning Activity in Health Care Students: A Norwegian Pilot Study
Pain Manag Nurs, 19 (5), 516-524
DOI 10.1016/j.pmn.2018.02.064, PubMed 29779794
Pain-relieving effectiveness, quality of life and tolerability of repeated capsaicin 8% patch treatment of peripheral neuropathic pain in Scandinavian clinical practice
Eur J Pain, 22 (5), 941-950
DOI 10.1002/ejp.1180, PubMed 29388284
Bipolar radiofrequency neurotomy for spinal pain - a promising technique but still some steps to go
Scand J Pain, 18 (4), 565-566
DOI 10.1515/sjpain-2018-0305, PubMed 30281515
Publications 2017
Severe side effects from intrathecal morphine for chronic pain after repeated failed spinal operations
Scand J Pain, 17, 150-151
DOI 10.1016/j.sjpain.2017.09.003, PubMed 28950244
Publications 2016
Is there a place for pulsed radiofrequency in the treatment of chronic pain?
Scand J Pain, 12, 55-56
DOI 10.1016/j.sjpain.2016.04.002, PubMed 28850492
Publications 2015
Frozen shoulder and corticosteroids--still a need for needles?
Pain, 156 (9), 1587-1588
DOI 10.1097/j.pain.0000000000000225, PubMed 26075964
Health related quality of life in adolescents with chronic fatigue syndrome: a cross-sectional study
Health Qual Life Outcomes, 13, 96
DOI 10.1186/s12955-015-0288-3, PubMed 26138694
Publications 2014
Pain and pressure pain thresholds in adolescents with chronic fatigue syndrome and healthy controls: a cross-sectional study
BMJ Open, 4 (9), e005920
DOI 10.1136/bmjopen-2014-005920, PubMed 25287104
Publications 2012
Pulsed radiofrequency-Time for a clinical pause and more science
Scand J Pain, 3 (3), 124-126
DOI 10.1016/j.sjpain.2012.05.071, PubMed 29913819
Attitudes, beliefs and self-reported competence about postoperative pain among physicians and nurses working on surgical wards
Scand J Caring Sci, 26 (3), 545-52
DOI 10.1111/j.1471-6712.2011.00964.x, PubMed 22272649
Publications 2011
[Post-operative pain management in hospitals]
Tidsskr Nor Laegeforen, 131 (18), 1772-6
DOI 10.4045/tidsskr.10.1184, PubMed 21946595
[Postoperative pain in patients admitted to Norwegian hospitals]
Tidsskr Nor Laegeforen, 131 (18), 1763-7
DOI 10.4045/tidsskr.10.1129, PubMed 21946593
Choi WJ et al. "Radiofrequency treatment relieves chronic knee osteoarthritis pain: a double-blind randomized controlled trial" [Pain 2011;152:481-7]
Pain, 152 (8), 1934-1936
DOI 10.1016/j.pain.2011.05.030
Tissue gas tensions and tissue metabolites for detection of organ hypoperfusion and ischemia
Acta Anaesthesiol Scand, 56 (2), 200-9
DOI 10.1111/j.1399-6576.2011.02572.x, PubMed 22103593
Publications 2010
A new target for radiofrequency neurotomy?
Pain, 152 (3), 465-466
DOI 10.1016/j.pain.2010.09.037, PubMed 20961686
Nerve block-A reliable diagnostic tool?
Scand J Pain, 1 (4), 184-185
DOI 10.1016/j.sjpain.2010.08.006, PubMed 29913987
[The intern's vein--the patient's nightmare?]
Tidsskr Nor Laegeforen, 130 (12), 1250-1
DOI 10.4045/tidsskr.09.0769, PubMed 20567278
Publications 2009
A randomized double-blind controlled trial of intra-annular radiofrequency thermal disc therapy--a 12-month follow-up
Pain, 145 (3), 279-286
DOI 10.1016/j.pain.2009.05.001, PubMed 19647940
Placebo control--still the most ethical study design
Pain, 148 (1), 174-175
DOI 10.1016/j.pain.2009.11.013, PubMed 19962241
Publications 2008
Assessment of pain
Br J Anaesth, 101 (1), 17-24
DOI 10.1093/bja/aen103, PubMed 18487245
Smerte og intensivpasienten
In Ulike tekster om smerte: fra nocisepsjon til livskvalitet, Gyldendal akademisk, Oslo, s. 290-306
BIBSYS 082789541
Publications 2007
Quality of life after randomization to laparoscopic versus open living donor nephrectomy: long-term follow-up
Transplantation, 84 (1), 64-9
DOI 10.1097/01.tp.0000268071.63977.42, PubMed 17627239
Publications 2006
Postoperative pain and convalescence in living kidney donors-laparoscopic versus open donor nephrectomy: a randomized study
Am J Transplant, 6 (6), 1438-43
DOI 10.1111/j.1600-6143.2006.01301.x, PubMed 16686768
Catecholamine-induced excitation of nociceptors in sympathetically maintained pain
Pain, 127 (3), 296-301
DOI 10.1016/j.pain.2006.08.022, PubMed 16997471
Publications 2005
[Pain as a health problem]
Tidsskr Nor Laegeforen, 125 (20), 2807
PubMed 16244687
Sedation of patients in intensive care medicine and nursing: ethical issues
Nurs Ethics, 12 (5), 522-36
DOI 10.1191/0969733005ne819oa, PubMed 16178347
Laparoscopic versus open living-donor nephrectomy: experiences from a prospective, randomized, single-center study focusing on donor safety
Transplantation, 79 (9), 1236-40
DOI 10.1097/01.tp.0000161669.49416.ba, PubMed 15880077
Publications 2004
Tissue PCO₂ for early detection of organ ischemia
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 225, 1 b. (flere pag.)
BIBSYS 042290740, ISBN 82-8072-136-3
Detection of ischemia by PCO2 before adenosine triphosphate declines in skeletal muscle
Crit Care Med, 32 (1), 232-7
DOI 10.1097/01.CCM.0000104948.41544.FC, PubMed 14707584
Publications 2003
Tissue carbon dioxide tension: a putative specific indicator of ischemia in porcine latissimus dorsi flaps
Plast Reconstr Surg, 112 (7), 1825-31
DOI 10.1097/01.PRS.0000091166.83956.39, PubMed 14663226
Detection of organ ischemia during hemorrhagic shock
Acta Anaesthesiol Scand, 47 (6), 675-86
DOI 10.1034/j.1399-6576.2003.00134.x, PubMed 12803584
Publications 2002
PCO(2) in the large intestine of mice, rats, guinea pigs, and dogs and effects of the dietary substrate
J Appl Physiol (1985), 92 (1), 219-24
DOI 10.1152/japplphysiol.00190.2001, PubMed 11744663
Publications 2001
[Pain--difficult for both laymen and professionals]
Tidsskr Nor Laegeforen, 121 (22), 2577
PubMed 11668750
Publications 2000
MRI-guided celiac plexus block
J. Magn. Reson. Imaging, 12 (2), 562-564
DOI 10.1002/1522-2586(200010)12:4<562::AID-JMRI7>3.0.CO;2-A
MRI-guided celiac plexus block
J Magn Reson Imaging, 12 (4), 562-4
DOI 10.1002/1522-2586(200010)12:4<562::aid-jmri7>3.0.co;2-a, PubMed 11042637
Publications 1999
Gas supersaturation in the cecal wall of mice due to bacterial CO2 production
J Appl Physiol (1985), 86 (4), 1311-8
DOI 10.1152/jappl.1999.86.4.1311, PubMed 10194217
Publications 1997
[CO2 pressure used in the diagnosis of ischemia]
Tidsskr Nor Laegeforen, 117 (29), 4251-5
PubMed 9441471
Publications 1996
PCO2 electrodes at the surface of the kidney detect ischaemia
Acta Anaesthesiol Scand, 40 (5), 510-9
DOI 10.1111/j.1399-6576.1996.tb04481.x, PubMed 8792878
Publications 1989
The duration of acute respiratory tract infections in children
Scand J Prim Health Care, 7 (4), 219-23
DOI 10.3109/02813438909088668, PubMed 2626611
Publications 1988
[Granulocytopenia in treatment with salazopyrin]
Tidsskr Nor Laegeforen, 108 (32), 2982-3
PubMed 2908084