Search

Introduction: Robotic surgery (RS) is gaining prominence in colorectal procedures owing to advantages like three-dimensional vision and enhanced dexterity, particularly in rectal surgery. Although recent reviews report similar outcomes between laparoscopic surgery (LS) and RS, this study investigates the evolving trends in outcomes over time, paralleling the increasing experience in RS. Methods: A systematic review, meta-analysis and meta-regression were conducted of randomised controlled trials exploring postoperative outcomes in patients undergoing RS or LS for colorectal pathology. The primary outcome measure was postoperative complications. Risk of bias was evaluated using the Cochrane Collaboration's assessment tool. Randomised controlled trials were identified from the PubMed®, Embase® and CINAHL® (Cumulative Index to Nursing and Allied Health Literature) databases via the Cochrane Central Register of Controlled Trials. Results: Of 491 articles screened, 13 fulfilled the inclusion criteria. Meta-analysis of postoperative complications revealed no significant difference between RS and LS (relative risk [RR]: 0.96, 95% confidence interval [CI]: 0.79 to 1.18, p=0.72). Meta-regression analysis of postoperative complications demonstrated a significant trend favouring RS over time (yearly change in Ln(RR): −0.0620, 95% CI: −0.1057 to −0.0183, p=0.005). Secondary outcome measures included operative time, length of stay, blood loss, conversion to open surgery, positive circumferential resection margins and lymph nodes retrieved. The only significant findings were shorter operative time favouring LS (mean difference: 41.48 minutes, 95% CI: 22.15 to 60.81 minutes, p<0.001) and fewer conversions favouring RS (RR: 0.57, 95% CI: 0.37 to 0.85, p=0.007). Conclusions: As experience in RS grows, evidence suggests an increasing safety profile for patients. Meta-regression revealed a significant temporal trend with complication rates favouring RS over LS. Heterogeneous reporting of complications hindered subgroup analysis of minor and major complications. LS remains quicker. Rising adoption of RS coupled with emerging evidence is expected to further elucidate its clinical efficacy. [ABSTRACT FROM AUTHOR]

Cerebellar ataxia has been described as being associated with hypogonadism for almost 100 years. In the majority of cases, hypogonadism is hypogonadotropic. The association of cerebellar ataxia with hypergonadotropic hypogonadism is a rare genetic disorder with a recessive mode of inheritance. Cerebellar ataxia and hypogonadism can also occur associated with a large spectrum of additional clinical manifestations, including mental retardation, sensorineural deafness, choroidal dystrophy, ectodermal dysplasia and short stature, and polyneuropathy. We report the case of a woman with early-onset spinocerebellar ataxia, primary amenorrhea due to hypergonadotropic hypogonadism, and late-onset sensorineural hearing loss. Additional family members from the father's side are affected with late-onset hearing loss, suggesting a dominant mode of inheritance. [ABSTRACT FROM AUTHOR]

Unlabelled: To investigate the toxic effect of tobacco smoke on the fetus, we measured in cord blood the concentrations of alpha-fetoprotein (AFP), the principal serum protein in early ontogenic development, and erythropoietin (EPO), as an index of chronic fetal hypoxia. A total of 103 consecutively enrolled term newborns of smoking mothers and 103 term infants of nonsmoking parents were studied. The mean +/- SD AFP concentrations in the newborns of the mothers who smoked 1-50, 5-50, and 10-50 cigarettes/day were 86.4 +/- 88.9, 96.3 +/- 91.9 and 118.7 +/- 103.7 ng/ml, respectively. The difference of all three groups from the control neonates (57.7 +/- 37.2) was significant. The EPO concentrations in the newborns of the mothers who smoked 1-50 (53.9 +/- 64.6 mU/ml) and 5-50 (56.3 +/- 68.5) cigarettes/day were significantly greater than in the control neonates (29.5 +/- 16.1). In the newborns of the smoking mothers there was a significant positive correlation between AFP concentrations and number of cigarettes smoked per day, and a negative correlation between AFP and birth weight or length. There was no correlation between AFP and EPO concentrations, as well as between EPO and birth weight, length or number of cigarettes smoked per day.Conclusion: The absence of a correlation between erythropoietin and birth weight or length and the negative correlations between alpha-fetoprotein and these anthropometric parameters suggest that the intra-uterine growth retardation caused by maternal smoking is not due to tissue hypoxia, but that both growth retardation and elevated alpha-fetoprotein result from the direct or indirect toxic effect of a factor(s) present in tobacco smoke. [ABSTRACT FROM AUTHOR]

Importance: Lengthening waiting lists for organ transplant mandates the development of strategies to expand the deceased donor pool. Due to concerns regarding organ viability, most organ donation organizations internationally wait no longer than 1 to 2 hours for potential donation after circulatory death (DCD), possibly underutilizing an important organ source; UK policy mandates a minimum 3-hour wait time., Objective: To assess whether time to death (TTD) from withdrawal of life-sustaining treatment (WLST) is associated with kidney transplant outcomes., Design, Setting, and Participants: This population-based cohort study used data from the prospectively maintained UK Transplant Registry from all 23 UK kidney transplant centers from January 1, 2013, to December 31, 2021; follow-up was until the date of data extraction (October 2023). Participants comprised 7183 adult recipients of DCD kidney-alone transplants., Exposure: Duration of TTD, defined as time from WLST to donor mechanical asystole., Main Outcomes and Measures: Primary outcome was 12-month estimated glomerular filtration rate (eGFR; for the main eGFR model, variables with significant right skew [histogram visual assessment] were analyzed on the log2 scale), with secondary outcomes of delayed graft function and graft survival (censored at death or 5 years)., Results: This study included 7183 kidney transplant recipients (median age, 56 years [IQR, 47-64 years]; 4666 men [65.0%]). Median donor age was 55 years (IQR, 44-63 years). Median TTD was 15 minutes (range, 0-407 minutes), with 885 kidneys transplanted from donors with TTD over 1 hour and 303 kidneys transplanted from donors with TTD over 2 hours. Donor TTD was not associated with recipient 12-month eGFR on adjusted linear regression (change per doubling of TTD, -0.25; 95% CI, -0.68 to 0.19; P = .27), nor with delayed graft function (adjusted odds ratio, 1.01; 95% CI, 0.97-1.06; P = .65) or graft survival (adjusted hazard ratio, 1.00; 95% CI, 0.95-1.07; P = .92). These findings were confirmed with restricted cubic spline models (assessing nonlinear associations) and tests of interaction (including normothermic regional perfusion). In contrast, donor asystolic time, cold ischemic time, and reperfusion time were independently associated with outcomes. Compared with a theoretical 1-hour maximum wait time, the UK policy (minimum 3-hour wait time) has been associated with 885 extra DCD transplants compared with 6298 transplants (14.1% increase)., Conclusions and Relevance: In this cohort study of DCD kidney recipients, donor TTD was not associated with posttransplant outcomes, in contrast to subsequent ischemic times. Altering international transplant practice to mandate minimum 3-hour donor wait times could substantially increase numbers of kidney transplants performed without prejudicing outcomes.

Background: Donor liver transaminases (ALT and AST) have been used to decline livers for transplant, despite evidence that they do not influence transplant outcomes. This study assesses the effect that raised donor transaminases have on the unnecessary decline of livers., Methods: This retrospective cohort study used the National Health Service registry on adult liver transplantation (2016-2019). Logistic regression models were built to assess the impact of donor transaminases on the utilisation of organs donated following brain stem death (DBD) and circulatory death (DCD). A further model was used to simulate the impact on liver decline if raised donor ALT was not used to make utilisation decisions., Results: 5,424 adult livers were offered for transplant, of which 3,605 were utilised (2,841 DBD, 764 DCD). In multivariable analysis, adjusted for key factors, increasing peak donor ALT independently increased the odds of liver decline (DBD aOR = 1.396, 1.305-1.494, p  < 0.001, DCD aOR = 1.162, 1.084-1.246, p  < 0.001). AST was also a significant predictor of liver decline. 18.5% of livers from DBD donors with ALT > 40 U/L ( n  = 1,683) were declined for transplantation. In this group, our model predicted a 48% (38%-58%) decrease in decline if raised donor ALT was excluded from these decisions. This represents an additional 37 (30-45) liver transplants every year in the UK., Conclusions: Raised donor ALT increased the likelihood of liver decline. As it does not influence transplant outcome, avoiding donor ALT-based organ decline is an immediate and effective way to expand the donor pool., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2024 Dobbins, Tingle, Mehew, Thompson, Kourounis, McPherson, White and Wilson.)

Competing Interests: Competing interests: All authors have completed the ICMJE uniform disclosure form at http://www.icmje.org/disclosure-of-interest/ and declare: no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous 3 years; no other relationships or activities that could appear to have influenced the submitted work.

Simultaneous pancreas-kidney (SPK) transplantation improves quality of life and limits progression of diabetic complications. There is reluctance to accept pancreata from donors with abnormal blood tests, due to concern of inferior outcomes. We investigated whether donor amylase and liver blood tests (markers of visceral ischaemic injury) predict pancreas graft outcome using the UK Transplant Registry (2016-2021). 857 SPK recipients were included (619 following brainstem death, 238 following circulatory death). Peak donor amylase ranged from 8 to 3300 U/L (median = 70), and this had no impact on pancreas graft survival when adjusting for multiple confounders (aHR = 0.944, 95% CI = 0.754-1.81). Peak alanine transaminases also did not influence pancreas graft survival in multivariable models (aHR = 0.967, 95% CI = 0.848-1.102). Restricted cubic splines were used to assess associations between donor blood tests and pancreas graft survival without assuming linear relationships; these confirmed neither amylase, nor transaminases, significantly impact pancreas transplant outcome. This is the largest, most statistically robust study evaluating donor blood tests and transplant outcome. Provided other factors are acceptable, pancreata from donors with mild or moderately raised amylase and transaminases can be accepted with confidence. The use of pancreas grafts from such donors is therefore a safe, immediate, and simple approach to expand the donor pool to reach increasing demands., Competing Interests: Author ST worked on this project during an MRC Clinical Research Training Fellowship (MR/Y000676/1) at Newcastle University. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2024 Ho, Tingle, Malik, Thompson, Kourounis, Amer, Pandanaboyana, Wilson and White.)