Atrial fibrillation is a common cardiac arrhythmia and can occur de novo following a surgical procedure. It is associated with increased inpatient and long-term mortality. There is limited evidence concerning new-onset atrial fibrillation following abdominal surgery. This study aimed to identify the prevalence of and risk factors for postoperative atrial fibrillation in the general surgical population. A systematic search of the Embase, MEDLINE and Cochrane (CENTRAL) databases was conducted. Studies were included in the review if they reported cases of new-onset atrial fibrillation within 30 days of the index operation. Results were evaluated qualitatively due to substantial clinical heterogeneity. Incidence rates were pooled using a weighted random-effects meta-analysis model. A total of 835 records were initially identified, from which 32 full texts were retrieved. Following review, 13 studies were included that involved 52,959 patients, of whom 10.94% (95%CI 7.22-15.33) developed atrial fibrillation. Five studies of patients undergoing oesophagectomy (n = 376/1923) had a weighted average rate of 17.66% (95%CI 12.16-21.47), compared with 7.63% (95%CI 4.39-11.98) from eight studies of non-oesophageal surgery (n = 2927/51,036). Identified risk factors included: increasing age; history of cardiac disease; postoperative complications, particularly, sepsis, pneumonia and pleural effusions. New-onset postoperative atrial fibrillation is common, and is more frequent after surgery involving the thorax. Future work should focus on stratifying risk to allow targeted prophylaxis of atrial fibrillation and other peri-operative complications.

Two-stage and single-stage THA for active and quiescent native hip infection respectively, achieved similar outcomes to THA for primary osteoarthritis in controls.

ContextAcute testicular torsion is a common urological emergency. Accepted practice is surgical exploration, detorsion and orchidopexy for a salvageable testis. ObjectiveTo critically evaluate methods of orchidopexy and their outcomes with a view to determining optimal surgical technique. Evidence AcquisitionThe review protocol was published via PROSPERO [CRD42016043165] and conducted in accordance with PRISMA. EMBASE, MEDLINE and CENTRAL databases were searched using terms: 'orchidopexy', 'fixation', 'exploration', 'torsion', 'scrotum' and variants. Article screening was performed by two reviewers independently. The primary outcome was retorsion rate of the ipsilateral testis following orchidopexy. Secondary outcomes included testicular atrophy and fertility. Evidence SynthesisTo our knowledge, this is the first systematic review on this topic. The search yielded 2257 abstracts. Five studies (n=138 patients) were included.All five techniques differed in incision and/or type of suture and/or point(s) of fixation. Postoperative complications were reported in one study and included scrotal abscess in 9.1% and stitch abscess in 4.5%. The contralateral testis was fixed in 57.6% of cases.Three studies reported follow-up duration (range 6-31 weeks). No study reported any episodes of ipsilateral retorsion. In the studies reporting ipsilateral atrophy rate, this ranged from 9.1-47.5%. Fertility outcomes and patient reported outcome measures were not reported in any studies.

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