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JMIR Perioperative Medicine (JPOP, Editor-in-chief: John F. Pearson MD, Harvard Medical School) is a new sister journal of JMIR (the leading open-access journal in health informatics (Impact Factor 2017: 4.671), focusing on technologies, medical devices, apps, engineering, informatics and patient education for perioperative medicine and nursing, including pre- and post-operative education, preventative interventions and clinical care for surgery and anaesthesiology patients, as well as informatics applications in anesthesia, surgery, critical care and pain medicine.
As open access journal we are read by clinicians and patients alike and have (as all JMIR journals) a focus on readable and applied science reporting the design and evaluation of health innovations and emerging technologies. We publish original research, viewpoints, and reviews (both literature reviews and medical device/technology/app reviews).
During a limited period of time, there are no fees to publish in this journal. Articles are carfully copyedited and XML-tagged, ready for submission in PubMed Central.
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Background: Postoperative cognitive decline (POCD) is defined as a new cognitive impairment arising after surgical intervention. Cognitive function can be assessed using validated tests including: N B...
Background: Postoperative cognitive decline (POCD) is defined as a new cognitive impairment arising after surgical intervention. Cognitive function can be assessed using validated tests including: N Back, Stroop; and Lexical Decision Making Task. There is some concern that prolonged Trendelenburg positioning during laparoscopic colorectal surgery may cause POCD. Patients with POCD may experience prolonged hospitalisation and take longer returning to their normal level of functioning. Objective: To assess percentage of short or long-term POCD following laparoscopic colorectal surgery. Methods: Methods Patients undergoing laparoscopic colorectal surgery were recruited. Cognitive tests including: 1, 2 and 3 back, lexical decision making task and stroop task were carried out pre-operatively and repeated Day 1, and minimum 3 months post-operatively. For assessment of POCD, Day 1 the baseline was subtracted from Day 1 results for each test. This result was then divided by the standard deviation of the control group to give a Z score. A large positive Z score (>1.96) showed a deterioration in cognitive function from baseline for accuracy, and a large negative Z score (> -1.96) for response time. An individual Z score of 1.96 or more was defined as cognitive dysfunction. Results: Forty-six patients were recruited (26 males, 24 female), mean age 66years (SD± 5.18). Of which 55% had POCD on Day 1; and 37 patients completed long-term follow up of which 32% had POCD. Conclusions: Our study does show a significant number of patients develop both long and short term POCD following laparoscopic colorectal surgery.