
Gunnvald Kvarstein
- Andersen, Karoline Kolås; Kvarstein, Gunnvald. Postoperative opioids and risk of respiratory depression - A cross-sectional evaluation of routines for administration and monitoring in a tertiary hospital. Scandinavian Journal of Pain 2021; Volum 21 (1). ISSN 1877-8860.s 203 - 207.s doi: 10.1515/sjpain-2020-0060.
- Roland, Sissel Breivold; Pripp, Are Hugo; Msomphora, Mbachi Ruth; Kvarstein, Gunnvald. The efficacy of botulinum toxin A treatment for tension-Type or cervicogenic headache: A systematic review and meta-Analysis of randomized, placebo-controlled trials. Scandinavian Journal of Pain 2021. ISSN 1877-8860.s doi: 10.1515/sjpain-2021-0038.
- Sørensen, Kari; Skirbekk, Helge; Kvarstein, Gunnvald; Wøien, Hilde. I don’t want to think about it: A qualitative study of children’s and parents’ experiences with regular needle injections at home. Pediatric Rheumatology 2021; Volum 19. ISSN 1546-0096.s 1 - 13.s doi: 10.1186/s12969-021-00495-4.
- Danielsson, Lena Elsa; Kvarstein, Gunnvald; Bergvik, Svein. Mediators of pain and physical function in female and male patients with chronic pain. Journal of Pain Research 2020; Volum 13. ISSN 1178-7090.s 1059 - 1071.s doi: 10.2147/JPR.S233501.
- Sørensen, Kari; Skirbekk, Helge; Kvarstein, Gunnvald; Wøien, Hilde. Children's fear of needle injections: a qualitative study of training sessions for children with rheumatic diseases before home administration. Pediatric Rheumatology 2020; Volum 18:13. ISSN 1546-0096.s 1 - 12.s doi: 10.1186/s12969-020-0406-6.
- Stedenfeldt, Mona; Kvarstein, Gunnvald; Nilsen, Tom Ivar Lund; Schjødt, Borrik; Borchgrevink, Petter Chr.; Halsteinli, Vidar. Pre-consultation biopsychosocial data from patients admitted for management at pain centers in Norway. Scandinavian Journal of Pain 2020; Volum 20 (2). ISSN 1877-8860.s 363 - 373.s doi: 10.1515/sjpain-2019-0076.
- Måwe, Leif; Thorén, Lena Måwe; Kvarstein, Gunnvald. Responses after spinal interventions in a clinical pain practice - A pragmatic observational study. Scandinavian Journal of Pain 2020. ISSN 1877-8860.s 1 - 14.s doi: 10.1515/sjpain-2019-0126.
- Nothnagel, Helen; Brown Menard, Martha; Kvarstein, Gunnvald; Norheim, Arne Johan; Weiss, Thomas; Puta, Christian; Mist, Scott D; Musial, Frauke. Recruitment and inclusion procedures as "pain killers" in clinical trials.. Journal of Pain Research 2019; Volum 12. ISSN 1178-7090.s 2027 - 2037.s doi: 10.2147/JPR.S204259.
- Stedenfeldt, Mona; Kvarstein, Gunnvald; Schjødt, Borrik; Johansen, Aslak; Berntsen, Anne Gina Schie; Brautaset, Astrid; Halsteinli, Vidar. Rettighetsvurdering og kvalitet på henvisninger - grad av samsvar mellom fire smertesentre. Tidsskrift for Den norske legeforening 2019; Volum 139 (9). ISSN 0029-2001.s 817 - 822.s doi: 10.4045/tidsskr.18.0396.
- Kvarstein, Gunnvald; Högström, Henrik; Allen, Sara Maria; Rosland, Jan Henrik. Cryoneurolysis for cervicogenic headache - A double blinded randomized controlled study. Scandinavian Journal of Pain 2019; Volum 20 (1). ISSN 1877-8860.s 1 - 12.s doi: 10.1515/sjpain-2019-0086.
- Martinsen, Tormod; Pettersen, Fred-Johan; Kalvøy, Håvard; Tronstad, Christian; Kvarstein, Gunnvald; Bakken, André; Høgetveit, Jan Olav; Martinsen, Ørjan Grøttem; Grimnes, Sverre; Frich, Lars Inge. Electrosurgery and temperature increase in tissue with a passive metal implant. Frontiers in surgery 2019; Volum 6:8. ISSN 2296-875X.s 1 - 8.s doi: 10.3389/fsurg.2019.00008.
- Hausken, John; Fretland, Åsmund Avdem; Edwin, Bjørn; Andersen, Marit Helen; Dagenborg, Vegar Johansen; Bjørnelv, Gudrun Maria Waaler; Kristiansen, Ronny; Røysland, Kjetil; Kvarstein, Gunnvald; Tønnessen, Tor Inge. Intravenous patient-controlled analgesia versus thoracic epidural analgesia after open liver surgery: a prospective, randomized, controlled noninferiority trial. Annals of Surgery 2019; Volum 270 (2). ISSN 0003-4932.s 193 - 199.s doi: 10.1097/SLA.0000000000003209.
- Hansson, Per; Jensen, Troels Staehelin; Kvarstein, Gunnvald; Strömberg, Martin. Pain-relieving effectiveness, quality of life and tolerability of repeated capsaicin 8% patch treatment of peripheral neuropathic pain in Scandinavian clinical practice. European Journal of Pain 2018; Volum 22 (5). ISSN 1090-3801.s 941 - 950.s doi: 10.1002/ejp.1180.
- Damsgård, Elin; Solgård, Hege; Johannessen, Karin; Wennevold, Katrine; Kvarstein, Gunnvald; Pettersen, Gunn; Garcia, Beate Hennie. Understanding Pain and Pain Management in Elderly Nursing Home Patients Applying an Interprofessional Learning Activity in Health Care Students: A Norwegian Pilot Study. Pain Management Nursing 2018; Volum 19 (5). ISSN 1524-9042.s 516 - 524.s doi: 10.1016/j.pmn.2018.02.064.
- Kvarstein, Gunnvald; LUNDELAND, BÅRD. Bipolar radiofrequency neurotomy for spinal pain - A promising technique but still some steps to go. Scandinavian Journal of Pain 2018. ISSN 1877-8860.s doi: 10.1515/sjpain-2018-0305.
- LUNDELAND, BÅRD; Janerås, Lars; Kvarstein, Gunnvald. Severe side effects from intrathecal morphine for chronic pain after repeated failed spinal operations. Scandinavian Journal of Pain 2017; Volum 17 (1). ISSN 1877-8860.s doi: 10.1016/j.sjpain.2017.09.003.
- Winger, Anette; Kvarstein, Gunnvald; Wyller, Vegard Bruun; Ekstedt, Mirjam; Sulheim, Dag; Fagermoen, Frode Even; Småstuen, Milada C; Helseth, Sølvi. Health related quality of life in adolescents with chronic fatigue syndrome: A cross-sectional study. Health and Quality of Life Outcomes 2015; Volum 13:96. ISSN 1477-7525.s doi: 10.1186/s12955-015-0288-3.
- Winger, Anette; Kvarstein, Gunnvald; Wyller, Vegard Bruun; Sulheim, Dag; Fagermoen, Frode Even; Småstuen, Milada Cvancarova; Helseth, Sølvi. Pain and pressure pain thresholds in adolescents with chronic fatigue syndrome and healthy controls: a cross-sectional study. BMJ Open 2014; Volum 4 (10). ISSN 2044-6055.s doi: 10.1136/bmjopen-2014-005920.
- Rognstad, May Karin; Fredheim, Olav Magnus; Johannessen, Tone E.Brenne; Kvarstein, Gunnvald; Skauge, Marta; Undall, Eva; Rustøen, Tone. Attitudes, beliefs and self-reported competence about postoperative pain among physicians and nurses working on surgical wards. (fulltekst) Scandinavian Journal of Caring Sciences 2012; Volum 26 (3). ISSN 0283-9318.s 545 - 552.s doi: 10.1111/j.1471-6712.2011.00964.x.
- Wælgaard, Lars Torbjørn; Dahl, Berit Marie; Kvarstein, Gunnvald; Tønnessen, Tor Inge. Tissue gas tensions and tissue metabolites for detection of organ hypoperfusion and ischemia. Acta Anaesthesiologica Scandinavica 2012; Volum 56 (2). ISSN 0001-5172.s 200 - 209.s doi: 10.1111/j.1399-6576.2011.02572.x.
- Fredheim, Olav Magnus; Kvarstein, Gunnvald; Undall, Eva; Stubhaug, Audun; Rustøen, Tone; Borchgrevink, Petter Chr.. Postoperativ smerte hos pasienter innlagt i norske sykehus. Tidsskrift for Den norske legeforening 2011; Volum 18 (131). ISSN 0029-2001.s 1763 - 1767.s doi: 10.4045/tidsskr.10.1129.
- Fredheim, Olav Magnus; Borchgrevink, Petter Chr.; Kvarstein, Gunnvald. Behandling av postoperativ smerte i sykehus. (fulltekst) Tidsskrift for Den norske legeforening 2011; Volum 131 (18). ISSN 0029-2001.s 1772 - 1776.s doi: 10.4045/tidsskr.10.1184.
- Kvarstein, Gunnvald; Måwe, Leif; Indahl, A; Hol, Per Kristian; Tennøe, Bjørn; Digernes, R; Stubhaug, Audun; Tønnessen, Tor Inge; Breivik, Harald. A randomized double-blind controlled trial of intra-annular radiofrequency thermal disc therapy - A 12-month follow-up. Pain 2009; Volum 145 (3). ISSN 0304-3959.s 279 - 286.s doi: 10.1016/j.pain.2009.05.001.
- Andersen, Marit Helen; Mathisen, Lars; Øyen, Ole; Edwin, Bjørn; Kvarstein, Gunnvald; Tønnessen, Tor Inge; Wahl, Astrid Klopstad; Hanestad, Berit Rokne; Fosse, Erik. Postoperative pain and convalescence in living donors – laparoscopic versus open nephrectomy. American Journal of Transplantation 2006. ISSN 1600-6135.
- Øyen, Ole; Andersen, Marit Helen; Mathisen, Lars; Kvarstein, Gunnvald; Edwin, Bjørn; Line, Pål-Dag; Scholz, Tim; Pfeffer, Per F. Laparoscopic versus Open Living-Donor Nephrectomy: Experiences from a prospective, single-center study focusing on donor safety.. Transplantation 2005. ISSN 0041-1337.
- Øyen, Ole; Andersen, MH; Mathisen, Lars; Kvarstein, Gunnvald; Edwin, B; Line, Pål Dag; Scholz, Tim; Pfeffer, Per F. Laparascopic versus open living donor nephrectomy, experiences from a prospective, randomised, single centre study; focusing on donor safety. Transplantation 2005. ISSN 0041-1337.
- Nortvedt, Per; Kvarstein, Gunnvald; Jonland, I. Sedation of patients in intensive care medicine and nursing: Ethical issues. Nursing Ethics 2005; Volum 12. ISSN 0969-7330.
- Kvarstein, Gunnvald; Mirtaheri, Peyman; Tønnessen, Tor Inge. Detection of ischemia by PCO2 before adenosine triphosphate declines in skeletal muscle. Critical Care Medicine 2004; Volum 32 (1). ISSN 0090-3493.s 232 - 237.
- Kvarstein, Gunnvald; Mirtaheri, Peyman; Tønnessen, Tor Inge. Detection of organ ischemia during hemorrhagic shock. Acta Anaesthesiologica Scandinavica 2003; Volum 47 (6). ISSN 0001-5172.s 675 - 686.
- Kvarstein, Gunnvald; Barstad, Marius; Mirtaheri, Peyman; Tønnessen, Tor Inge. Tissue carbon dioxide tension: A putative specific indicator of ischemia in porcine latissimus dorsi flaps. Plastic and Reconstructive Surgery 2003; Volum 112. ISSN 0032-1052.s 1825 - 1831.
- Rasmussen, Henrik; Mirtaheri, Peyman; Dirven, H.; Johnsen, Hilde; Kvarstein, Gunnvald; Tønnessen, Tor Inge; Midtvedt, Tore. PCO2 in the large intestine of mice, rats, guinea pigs, and dogs and effects of the dietary substrate. Journal of applied physiology 2002; Volum 92. ISSN 8750-7587.s 219 - 224.
- Hol, Per Kristian; Kvarstein, Gunnvald; Viken, Oddbjørn; Smedby, Ørjan; Tønnessen, Tor Inge. MRI-guided celiac plexus block. Journal of Magnetic Resonance Imaging 2000; Volum 12. ISSN 1053-1807.s 562 - 564.
- Rasmussen, Henrik; Kvarstein, Gunnvald; Johnsen, Hilde; Dirven, H.; Midtvedt, Tore; Mirtaheri, Peyman; Tønnessen, Tor Inge. Gas supersaturation in the cecal wall of mice due to bacterial CO2 production. Journal of applied physiology 1999; Volum 86. ISSN 8750-7587.s 1311 - 1318.
- Tønnessen, Tor Inge; Kvarstein, Gunnvald. PCO2 electodes at the surface of the kidney detect ischemia. Acta Anaesthesiologica Scandinavica 1996; Volum 40. ISSN 0001-5172.s 510 - 519.