Publications by authors named "Peter Sedman"

16 Publications

  • Page 1 of 1

The impact of EAES Fellowship Programme: a five-year review and evaluation.

Surg Endosc 2021 Jun 8. Epub 2021 Jun 8.

Department of General Surgery, Linköping University Hospital, 581 85, Linköping, Sweden.

Background: The European Association of Endoscopic Surgery (EAES) fellowship programme was established in 2014, allowing nine surgeons annually to obtain experience and skills in minimally invasive surgery (MIS) from specialist centres across the Europe and United States. It aligns with the strategic focus of EAES Education and Training Committee on enabling Learning Mobility opportunities. To assess the impact of the programme, a survey was conducted aiming to evaluate the experience and impact of the programme and receive feedback for improvements.

Methods: A survey using a 5-point Likert scale was used to evaluate clinical, education and research experience. The impact on acquisition of new technical skills, change in clinical practice and ongoing collaboration with the host institute was assessed. The fellows selected between 2014 and 2018 were included. Ratings were analysed in percentage; thematic analysis was applied to the free-text feedbacks using qualitative analysis.

Results: All the fellows had good access to observing in operating theatres and 70.6% were able to assist. 91.2% participated in educational activities and 23.5% were able to contribute through teaching. 44.1% participated in research activities and 41.2% became an author/co-author of a publication from the host. 97.1% of fellows stated that their operative competency had increased, 94.3% gained new surgical skills and 85.7% was able to introduce new techniques in their hospitals. 74.29% agreed that the clinical experience led to a change in their practices. The most commonly suggested improvements were setting realistic target in clinical and research areas, increasing fellowship duration, and maximising theatre assisting opportunities. Nevertheless, 100% of fellows would recommend the fellowship to their peers.

Conclusion: EAES fellowship programme has shown a positive impact on acquiring and adopting new MIS techniques. To further refine the programme, an individualised approach should be adopted to set achievable learning objectives in clinical skills, education and research.
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June 2021

Johan Forceps As a Knot Pusher for Extracorporeal Roeder Knot: An Inexpensive Alternative to an Endoloop Ligature in Laparoscopic Appendicectomy.

J Laparoendosc Adv Surg Tech A 2021 Jun 7. Epub 2021 Jun 7.

Department of General and Upper GI Surgery, Barnsley District General Hospital NHS Trust, South Yorkshire, United Kingdom.

Securing of the appendix stump is one of the key steps in performing laparoscopic appendicectomy (LA). This can be achieved by a variety of methods including endoloops, stapler, and clips. An alternative technique, previously described by authors, is the use of Johan forceps as a knot pusher, to deploy an extracorporeal Roeder knot at the base of appendix. We aimed to evaluate the safety and cost-effectiveness of our technique. A single surgeon's, prospective cohort, and multicenter study was undertaken at three different hospitals in the United Kingdom. We collected data of all patients, who underwent LA by this technique between 2014 and 2019. Demographics, operative findings, postoperative complications and readmissions were recorded and analyzed. In total, 227 appendicectomies were performed. Median age was 24 years (interquartile range [IQR]: 16-58) with 58% male preponderance. Operative findings were 57% ( = 130) acutely inflammatory appendicitis, 16.74% ( = 38) were complicated appendicitis (perforated, gangrenous). Rest of the operative findings were macroscopically normal appendix (with no other pathology in 18.06% ( = 41), and macroscopically normal appendix but with gynecological pathologies in 7.9% ( = 18). Postoperatively, there were no cases to report complication of blow out stumps neither clinically nor radiologically. Surgical site infections rate has been 3.5% ( = 8). One patient had small intra-abdominal abscess (0.4%), treated by IV antibiotics. Mean hospital stay was 1.89 days (standard deviation [SD] 1-5 days). Thirty days readmissions rate was 4.8%. None of the complications or readmissions was related to the surgical technique. There were no deaths recorded in this series. Cost of handmade endoloop was $0.69. Use of Johan forceps as knot pusher for extracorporeal Roeder knot is a safe, feasible, cost-effective, and easily reproducible technique for carrying out LA.
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June 2021

Association of endocrine active environmental compounds with body mass index and weight loss following bariatric surgery.

Clin Endocrinol (Oxf) 2020 09 9;93(3):280-287. Epub 2020 Jun 9.

Hull York Medical School, University of Hull, Hull, UK.

Introduction: The objective of this study was to study associations of a wide range of halogenated biphenyls, dibenzo-p-dioxins, dibenzofurans and diphenylethers with body mass index (BMI) and evaluate changes in their concentration following bariatric surgery.

Methods: Subcutaneous fat, visceral fat and liver tissue samples were collected from 106 patients undergoing Roux-en-Y gastric bypass surgery for weight loss or patients who were undergoing abdominal surgery for nonbariatric reasons. We measured concentrations of an extensive panel of chlorinated and brominated biphenyls, dioxins, and furans, and brominated diphenylethers in the samples. We conducted linear regression to examine associations with BMI, adjusting for age and gender. Changes in concentration for indicator chemicals were evaluated in samples collected following bariatric surgery in a small subpopulation.

Results: After adjustments for age and gender and correction for multiple testing, seven ortho-chlorinated biphenyls, one nonortho-chlorinated biphenyl, four PCDD/Fs and one ortho-brominated biphenyl were associated with BMI. The strongest associations between BMI and lipid-adjusted concentrations were seen with PCB-105 in subcutaneous fat (beta = 16.838 P-val = 1.45E-06) PCB-126 in visceral fat (beta = 15.067 P-val = 7.72E-06) and PCB-118 (beta = 14.101 P-val = 2.66E-05) in liver. The concentrations of sum PCBs, chlorinated toxic equivalent quantity (TEQ's) and brominated compounds increased significantly with weight loss in subcutaneous fat in a group of ten individuals resampled up to five years after bariatric surgery and substantial weight loss.

Conclusion: We show that selected polychlorinated biphenyls PCBs and structurally related polychlorinated dibenzo-p-dioxins dibenzofurans (PCDD/Fs) were associated with BMI. Concentrations of these lipophilic compounds in subcutaneous fat increased following bariatric surgery.
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September 2020

Dear Editor.

Surg Obes Relat Dis 2018 11 7;14(11):1789-1790. Epub 2018 Sep 7.

Department of Upper Gastrointestinal and Bariatric Surgery, Musgrove Park Hospital, Taunton, United Kingdom.

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November 2018

Perineal repair of a full-thickness rectal prolapse in a wild Sumatran orangutan (Pongo abelii).

J Med Primatol 2019 02 11;48(1):65-67. Epub 2018 Oct 11.

Wildlife Surgery International, Roslin, UK.

A Delorme's procedure perineal surgical repair was performed in a wild adult male Sumatran orangutan (Pongo abelii) with a chronic persistent rectal prolapse that had been unsuccessfully treated by 6 previous surgeries. The rectal prolapse did not recur, and the orangutan was successfully released to the wild, 6 weeks later.
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February 2019

Single-stage conversions from failed gastric band to sleeve gastrectomy versus Roux-en-Y gastric bypass: results from the United Kingdom National Bariatric Surgical Registry.

Surg Obes Relat Dis 2018 Oct 30;14(10):1516-1520. Epub 2018 Jun 30.

Department of Upper Gastrointestinal and Bariatric Surgery, Musgrove Park Hospital, Taunton, United Kingdom.

Background: For patients in whom laparoscopic adjustable gastric band has failed, conversion to Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy are both options for further surgical treatment. There are limited data comparing these 2 procedures. The National Bariatric Surgery Registry is a comprehensive United Kingdom-wide database of bariatric procedures, in which preoperative demographic characteristics and clinical outcomes are prospectively recorded.

Objectives: To compare perioperative complication rate and short-term outcomes of patients undergoing single-stage conversion of gastric band to Roux-en-Y gastric bypass or laparoscopic sleeve gastrectomy.

Setting: United Kingdom national bariatric surgery database.

Methods: From the National Bariatric Surgical Registry data set, we identified 141 patients undergoing single-stage conversion from gastric band to either gastric bypass (113) or sleeve gastrectomy (28) between 2009 and 2014, and analyzed their clinical outcomes.

Results: With respect to perioperative outcomes gastric bypass was associated with a higher incidence of readmission or reintervention postoperatively (16 versus 0; P = .04). There was no difference in percentage excess weight loss between sleeve gastrectomy and gastric bypass at final follow-up at 1 year (52.1% versus 57.1% respectively; P = .4).

Conclusions: Conversion from band to sleeve or bypass give comparable good early excess weight loss; however, conversion to sleeve is associated with a better perioperative safety profile.
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October 2018

The Impact of Laparoscopic Gastric Bypass on Comorbidities and Quality of Life in the Older Obese Patients (Age > 60): Our UK Experience.

Obes Surg 2018 12;28(12):3890-3894

Department of Upper Gastrointestinal Surgery, Castle Hill Hospital, Castle Road, Cottingham, HU16 5JQ, UK.

Background: With population ageing, more older patients would benefit from the reduced comorbidities associated with laparoscopic Roux-en-Y gastric bypass (LRYGB). However, health care providers are still reluctant to offer bariatric surgery to older obese patients due to the perceived increased risk and possible reduced benefit. Here, we report the outcomes of first UK series of LRYGB in patients (> 60 years) with emphasis on quality of life (QoL).

Setting: University hospital.

Methods: Data was collected prospectively on all patients aged > 60 years undergoing LRYGB between 2006 and 2011. Patients had a minimum 1-year follow-up. Data related to weight loss, peri-operative complications and obesity-related morbidity (ORM) was collected. Patients' QoL was assessed by postal questionnaire.

Results: Forty-six patients with a median age of 63 (60-71) underwent LRYGB with a median follow-up of 23 (12-55) months. There was a significant drop in patients' BMI [mean (SD) 47.5 (6.2) to 31.2 (4.4) kg/m]. Patients had an average 69% (SD 17%) excess weight loss and 34% (SD 10%) total body weight loss. The median hospital stay was 3 (1-16) with 13% peri-operative morbidity and no mortality. There was a 25% (30/123) resolution and 54% (66/123) 'improvement' in ORM. The QoL score increased significantly in several domains particularly physical performance (2.8 to 8.0, p < 0.001), self-esteem (3.6 to 8.3, p < 0.001) and mobility (2.9 to 7.5, p < 0.001).

Conclusion: LRYGB in patients aged > 60 years can be performed safely and with weight loss comparable to younger patients. There is associated benefit in reducing ORM and substantial improvement in QoL.
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December 2018

Improved physiology and metabolic flux after Roux-en-Y gastric bypass is associated with temporal changes in the circulating microRNAome: a longitudinal study in humans.

BMC Obes 2018 31;5:20. Epub 2018 May 31.

1Department of Surgery and Cancer, Imperial College London, London, UK.

Background: The global pandemic of obesity and the metabolic syndrome are leading causes of mortality and morbidity. Bariatric surgery leads to sustained weight loss and improves obesity-associated morbidity including remission of type 2 diabetes. MicroRNAs are small, endogenous RNAs that regulate gene expression post-transcriptionally, controlling most of the human transcriptome and contributing to the regulation of systemic metabolism. This preliminary, longitudinal, repeat sampling study, in which subjects acted as their own control, aimed to assess the temporal effect of bariatric surgery on circulating microRNA expression profiles.

Methods: We used Exiqon's optimized circulating microRNA panel (comprising 179 validated miRNAs) and miRCURY locked nucleic acid plasma/serum Polymerase Chain Reaction (PCR) to assess circulating microRNA expression. The microRNAome was determined for Roux-en-Y gastric bypass (RYGB) patients examined preoperatively and at 1 month, 3 months, 6 months, 9 months and 12 months postoperatively. Data was analysed using multivariate and univariate statistics.

Results: Compared to the preoperative circulating microRNA expression profile, RYGB altered the circulating microRNAome in a time dependent manner and the expression of 48 circulating microRNAs were significantly different. Importantly, these latter microRNAs are associated with pathways involved in regulation and rescue from metabolic dysfunction and correlated with BMI, the percentage of excess weight loss and fasting blood glucose levels.

Conclusions: The results of this pilot study show that RYGB fundamentally alters microRNA expression in circulation with a time-dependent progressive departure in profile from the preoperative baseline and indicate that microRNAs are potentially novel biomarkers for the benefits of bariatric surgery.
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May 2018

Obesity surgery makes patients healthier and more functional: real world results from the United Kingdom National Bariatric Surgery Registry.

Surg Obes Relat Dis 2018 07 15;14(7):1033-1040. Epub 2018 Feb 15.

Department of Upper GI and Bariatric Surgery, Musgrove Park Hospital, Taunton, United Kingdom.

Background: The National Bariatric Surgery Registry (NBSR) is the largest bespoke database in the field in the United Kingdom.

Objectives: Our aim was to analyze the NBSR to determine whether the effects of obesity surgery on associated co-morbidities observed in small randomized controlled clinical trials could be replicated in a "real life" setting within U.K. healthcare.

Setting: United Kingdom.

Methods: All NBSR entries for operations between 2000 and 2015 with associated demographic and co-morbidity data were analyzed retrospectively.

Results: A total of 50,782 entries were analyzed. The patients were predominantly female (78%) and white European with a mean age of 45 ± 11 years and a mean body mass index of 48 ± 8 kg/m. Over 5 years of follow-up, statistically significant reductions in the prevalence of type 2 diabetes, hypertension, dyslipidemia, sleep apnea, asthma, functional impairment, arthritis, and gastroesophageal reflux disease were observed. The "remission" of these co-morbidities was evident 1 year postoperatively and reached a plateau 2 to 5 years after surgery. Obesity surgery was particularly effective on functional impairment and diabetes, almost doubling the proportion of patients able to climb 3 flights of stairs and halving the proportion of patients with diabetes related hyperglycemia compared with preoperatively. Surgery was safe with a morbidity of 3.1% and in-hospital mortality of .07% and a reduced median inpatient stay of 2 days, despite an increasingly sick patient population.

Conclusions: Obesity surgery in the U.K. results not only in weight loss, but also in substantial improvements in obesity-related co-morbidities. Appropriate support and funding will help improve the quality of the NBSR data set even further, thus enabling its use to inform healthcare policy.
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July 2018

Roux-en-Y gastric bypass could slow progression of retinopathy in type 2 diabetes: a pilot study.

Obes Surg 2015 May;25(5):777-81

Department of Surgery, Torbay Hospital, Newton Road, Torquay, Devon, TQ2 7AA, UK,

Background: Type 2 diabetes mellitus (T2DM) is a well-recognised complication of obesity. One of the microvascular complications of T2DM is diabetic retinopathy (DR). Bariatric surgery has been shown to effectively treat obesity and can induce remission of T2DM. It is not known what effect this improvement may have on pre-existing DR. We aimed to investigate this.

Method: A dual-centre, observer-blinded, case-control study investigated the progression of DR in patients who received Roux-en-Y gastric bypass (treatment group (TG)), compared with controls who received medical therapy (control group (CG)) for their T2DM. Retinal images were taken pre-operatively and approximately 2 years post-operatively for the TG and over a 2-year interval for the CG. Data were collected for confounding variables, including glycaemic control (HbA(1c)) and BMI.

Results: Forty-five patients were recruited (TG = 21, CG = 24). Groups were significantly heterogeneous. DR showed significant progression for those in the CG (p = 0.03) but not in TG (p = 0.135), no significant difference was found when adjusting for confounding variables (p = 0.480). There was a significant trend in favour of surgery in improvement of glycaemic control (p = 0.017).

Conclusion: The trends within these pilot data may represent a real difference in the progression of DR in patients who have received surgery, compared with medical treatment alone. Due to heterogeneity of group characteristics, further work needs to be done to validate these results. Should there be a true difference, there will be potential cost savings for the National Health Service (NHS) along with a reduced burden of disease for patients.
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May 2015

Insulin resistance and cardiovascular risk marker evaluation in morbid obesity 12 months after bariatric surgery compared to weight-matched controls.

Obes Surg 2014 Mar;24(3):349-58

Department of Diabetes and Endocrinology, University of Hull, Hull, UK,

Background: Insulin resistance (IR) after bariatric surgery is significantly lower than controls matched for body mass index (BMI) and is indistinguishable from lean subjects however it is not known if this is the same for associated cardiovascular risk (CVR) markers (endothelial function (EF) and clot structure and function (maximum absorbance (MA) lysis potential (LT) and clot formation time (FT).

Objective: We sought to determine if IR and associated CVR markers one year after bariatric surgery were comparable to post surgery age and BMI matched controls.

Methods: Ten patients had before and 12 months after Roux-en-Y surgery CVR measurements compared to controls.

Results: BMI reduced after surgery to 33.3±1.7 kg/m(2) p<0.001 comparable to controls 32.6±1.6 kg/m(2) p=0.87. Fasting glucose reduced after surgery to 4.6±0.1 mmol/L, lower than controls 5.0±0.1 mmol/L p=0.03. IR (calculated using HOMA-IR) reduced 0.77±0.14 p=0.03 and was lower than controls 2.35±0.32 p= 0.02. Systolic blood pressure (BP) reduced to 114.2±3.6 mmHg which was lower than controls 127.7±4.1 mmHg p=0.04, but diastolic BP was unaffected by surgery and no different to controls. EF, hsCRP and HDL-cholesterol improved after surgery and did not differ to controls. Markers of blood clotting: MA and FT were unaffected by surgery and no different to controls, LT improved after surgery 3078±580 to 1665±330s p= 0.04) and was no different to controls (2088±556s p=0.12) CONCLUSIONS: Bariatric surgery improved cardiovascular risk parameters to that of the equivalent controls post surgery for weight including EF, hsCRP and LT supporting bariatric surgery as an effective management of obesity.
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March 2014

Fundoplication in chronic intractable cough.

Cough 2012 Jul 19;8(1). Epub 2012 Jul 19.

Department of Cardiovascular and Respiratory Studies, Castle Hill Hospital, Hull York Medical School, University of Hull, Cottingham, HU16 5JQ, UK.


Background: Airway reflux is a common cause of chronic cough and this is often refractory to medical therapy. Surgery in the form of Nissen fundoplication has been highly successful in the treatment of the classic reflux symptoms of heartburn and dyspepsia. There is a paucity of data regarding response to fundoplication in patients presenting with chronic cough.

Methods: We retrospectively reviewed the case notes of patients from the Hull Cough Clinic who had undergone Nissen fundoplication over the past 6 years. Demographic details, duration of symptoms, presence of other symptoms, results of oesophageal studies, outcome and complications were recorded. Patients were contacted by post and asked to complete a questionnaire detailing current symptoms. In a subgroup with continued troublesome cough 24 hour pharyngeal pH measurements were undertaken.

Results: Forty seven patients underwent fundoplication. The average duration of pre-operative cough was 8 years. Gastro intestinal symptoms were present in the majority. In 30 (64%) patients a positive response to treatment was recorded. Mild dysphagia or bloating was seen in 18 patients following surgery. Four patients needed repeat surgical intervention for modification of fundoplication. One patient developed aspiration pneumonia eight weeks following surgery and died of a myocardial infarction. Two thirds of patients with persisting cough had evidence of airway reflux on pharyngeal pH monitoring.

Conclusion: In these patients with intractable cough a long term response rate of 63% represents a useful therapeutic option. Treatment failure is more frequent than for classic peptic symptoms and may be related to persistent gaseous reflux.
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July 2012

Preoperative factors predicting remission of type 2 diabetes mellitus after Roux-en-Y gastric bypass surgery for obesity.

Obes Surg 2010 Sep;20(9):1245-50

Department of Minimally Invasive and Upper Gastrointestinal Surgery, Castle Hill Hospital, Cottingham, Yorkshire, UK.

Background: Roux-en-Y gastric bypass (RYGB) is an effective treatment for morbid obesity. This bariatric procedure has also been noted to resolve hyperglycaemia in up to 70% of obese diabetics. We evaluated outcomes in diabetic patients undergoing RYGB in our institution, aiming to identify factors predicting diabetes remission.

Methods: One hundred ten type 2 diabetic (T2DM) patients undergoing RYGB were studied. Baseline demographics, diabetic status pre- and post-surgery and outcomes were evaluated. Outcomes were compared to a matched non-diabetic cohort.

Results: The mean age of the patients was 45 +/- 11. The majority (70%; n = 77) were female and the mean baseline body mass index was 47 +/- 7. Mean (+/-SD range) excess weight loss at 6, 12 and 24 months was 58.3 +/- 26.4% (30.5-167%), 63.2 +/- 17.2% (0-99.2%) and 84.1 +/- 21.3% (16.5-121%), respectively. Diabetic medication was discontinued in 68.4% patients and reduced in a further 14.3%. Mean preoperative HbA1c was 7.1 +/- 2.0 and mean postoperative HbA1c 5.48 +/- 0.2. Patients with a baseline HbA1c >10 had a 50% rate of remission compared to 77.3% with an HbA1c of 6.5-7.9. The mean duration of T2DM preoperatively was 5.5 +/- 7 years. A preoperative duration of T2DM greater than 10 years was shown to significantly reduce the chances of remission (p = 0.005).

Conclusions: RYGB for morbid obesity achieves significant weight reduction in diabetic patients with remission of pre-surgical hyperglycaemia in the majority. The study supports findings that a shorter duration and better control of diabetes prior to surgery corresponds to a higher rate of remission. It supports the argument for early surgical intervention in the morbidly obese diabetic patient.
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September 2010

Cough in adult cystic fibrosis: diagnosis and response to fundoplication.

Cough 2009 Jan 18;5. Epub 2009 Jan 18.

Cardiovascular and Respiratory Studies, Hull York Medical School, University of Hull, Castle Hill Hospital, Castle Road, Cottingham, East Yorkshire, HU16 5JQ, UK.

Background: Gastroesophageal reflux is one of the most common causes of chronic cough in the general population. Reflux occurs frequently in patients with cystic fibrosis (CF). We undertook laparoscopic Nissen fundoplication in adult CF patients with a clinical diagnosis of reflux cough who had failed conventional medical therapies.

Objective: We determined the response to the surgical route in the treatment of intractable reflux cough in CF.

Method: Patients with refractory cough were assessed by 24 h pH monitoring and oesophageal manometry. Pre-and post-operation cough, lung function and exacerbation frequency were compared. Cough was assessed by the Leicester Cough Questionnaire (LCQ), lung function by spirometry and exacerbation frequency was defined by comparing the postoperative epoch with a similar preoperatively.

Results: Significant abnormalities of oesophageal function were seen in all patients studied. 6 patients (2 females), with the mean age of 34.5 years consented to surgery. Their mean number of reflux episodes was 144.4, mean DeMeester score was 39.2, and mean lower oesophageal sphincter pressure 12.4 mmHg. There was a small change in the FEV1 from 1.03 L to 1.17 (P = 0.04), and FVC improved from 2.62 to 2.87 (P = 0.05). Fundoplication lead to a marked fall in cough with the total LCQ score increasing from 11.9 to 18.3 (P = 0.01). Exacerbation events were reduced by 50% post operatively.

Conclusion: Whilst there is an obvious attention to respiratory causes of cough in CF, reflux is also a common cause. Fundoplication is highly effective in the control of reflux cough in CF. Significant reduction in exacerbation frequency may indicate that reflux with possible aspiration is a major unrecognised contributor to airway disease.
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January 2009

Splenic retrieval after laparoscopic splenectomy: a new bag.

J Laparoendosc Adv Surg Tech A 2006 Apr;16(2):128-32

Division of Upper Gastrointestinal and Minimally Invasive Surgery, Hull Royal Infirmary, Hull, United Kingdom.

Background: Laparoscopic splenectomy has become the gold-standard surgical approach for patients undergoing elective splenectomy. Little data exist concerning the technical difficulties of splenic retrieval. When the spleen is large, popular commercial retrieval bags are often too small to facilitate removal. The aim of this study was to compare our clinical experience utilizing two different retrieval bags, the Endocatch II (Autosuture, London, UK) and the developing E200 (Espiner Ltd., Bristol, UK).

Materials And Methods: We performed a retrospective review of all laparoscopic splenectomies performed at Hull Royal Infirmary, Kingston upon Hull, from March 1997 to July 2003. Patient demographics, morbidity, mortality, and clinical outcome had been entered prospectively into a database. Two patient groups were examined, depending on the type of retrieval bag utilized. Complications and instrument failure during splenic retrieval were analysed.

Results: A total of 83 laparoscopic splenectomies were performed. No retrieval bag was used in 8 cases (10%). The Endocatch retrieval bag was used for 45 (60%) patients and the E200 for 30 (40%) patients. The mean operative time for the former group was 65 minutes (range, 50-127 minutes) and for the latter, 120 minutes (range, 80-180 minutes) (P < 0.05). Bag-related complications were 2 (4%) perforations and 2 (4%) failures to deploy while using the Endocatch bag.

Conclusion: The Endocatch bag is easy to deploy but is associated with perforation and cannot be used for large spleens. The E200 bag is more useful for large spleens but is associated with prolonged operative time due to poor maneuverability. Improved technology is still required.
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April 2006

Appendix retrieval after laparoscopic appendectomy: a safe and inexpensive technique.

Surg Laparosc Endosc Percutan Tech 2003 Oct;13(5):322-4

Division of Upper Gastrointestinal and Minimally Invasive Surgery, Department of Surgery, Hull royal Infirmary, Kingston upon Hull, UK.

We describe a useful technique for retrieving the dissected appendix in a bag after laparoscopic resection. This permits laparoscopic appendectomy to be completed with a single 10-mm and two 5-mm (or 3-mm) ports and using only a 10-mm telescope. It obviates the need to change the standard 10-mm telescope to 5-mm scope or the extension of a smaller port incision to extract the specimen. The appendix was removed successfully and without complications using this technique in 89 consecutive laparoscopic appendectomies. The technique is safe, inexpensive, and uses readily available equipment.
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October 2003