{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,31]],"date-time":"2026-08-31T23:21:09Z","timestamp":1788218469609,"version":"build-2803163510"},"reference-count":26,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2014,9,30]],"date-time":"2014-09-30T00:00:00Z","timestamp":1412035200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To assess whether gynecologists have impaired laparoscopic skills and\/or reduced cognitive function after long on\u2010call hours.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Prospective cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Department of Gynecology and Obstetrics, Norway.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>28 gynecologists working long shifts in a single department.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Pre\u2010training of laparoscopic skills on a virtual reality simulator. Simulator\u2010 and cognitive testing on two different occasions; one in the morning after a normal nights' sleep at home and one in the morning directly after 17.5\u00a0h on call. The virtual reality simulator test consisted of three repetitive salpingectomies in an ectopic pregnancy module. The cognitive test consisted of a standardized cognitive test battery (Cambridge neuropsychological test automated battery).<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Simulated laparoscopic performance was assessed by time to perform the procedure, total length of instrument movement (tip trajectory) and blood loss. Cognitive function was assessed by reaction time, errors and total score.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No significant impairment in laparoscopic skills was found after 17.5\u00a0h on call. Cognitive testing revealed a statistically significant increase in reaction time post\u2010call. Construct validity for the metrics \u201ctime to perform procedure\u201d and \u201ctip trajectory\u201d in the ectopic pregnancy module was established in a validation study prior to our main study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>We were not able to detect impaired laparoscopic skills among gynecologists tested by a virtual reality procedural module after 17.5\u00a0h on call. We found a small increase in reaction time but no other signs of reduced cognitive function. The study adds information on surgical performance of sleep\u2010deprived gynecologists.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aogs.12496","type":"journal-article","created":{"date-parts":[[2014,9,1]],"date-time":"2014-09-01T15:39:39Z","timestamp":1409585979000},"page":"1255-1261","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Impact of night shifts on laparoscopic skills and cognitive function among gynecologists"],"prefix":"10.1111","volume":"93","author":[{"given":"Anne","family":"Veddeng","sequence":"first","affiliation":[{"name":"Department of Gynecology and Obstetrics Haukeland University Hospital Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Husby","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Haukeland University Hospital Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ingeborg B.","family":"Engelsen","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Haukeland University Hospital Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew","family":"Kent","sequence":"additional","affiliation":[{"name":"Advanced Gynecological Endoscopy Program University of Surrey Guildford UK"},{"name":"Royal Surrey County Hospital Guildford UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans","family":"Flaatten","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology Haukeland University Hospital Bergen Norway"},{"name":"Department of Clinical Medicine University of Bergen Bergen Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,9,30]]},"reference":[{"key":"e_1_2_10_2_1","article-title":"Leger med promille. 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