Publications by authors named "Gurusamy K"

Background: The management of high-surgical risk patients with moderate to severe acute cholecystitis is challenging in clinical practice. Early laparoscopic cholecystectomy is considered the gold standard for patients who do not respond to conservative treatment. However, for those unfit for surgery due to high-surgical risk, alternative treatment options such as percutaneous cholecystostomy (PC) are available.

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Background Chronic kidney disease (CKD) is an emerging public health problem in India. Pulmonary hypertension (PH) is an overlooked cardiovascular complication of CKD. This study aimed to estimate the burden of PH among CKD patients undergoing hemodialysis in a selected tertiary care hospital.

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Background: We compared the relative benefits, harms and cost-effectiveness of hyperthermic intraoperative peritoneal chemotherapy + cytoreductive surgery ± systemic chemotherapy versus cytoreductive surgery ± systemic chemotherapy or systemic chemotherapy alone in people with peritoneal metastases from colorectal, gastric or ovarian cancers by a systematic review, meta-analysis and model-based cost-utility analysis.

Methods: We searched MEDLINE, EMBASE, Cochrane Library and the Science Citation Index, ClinicalTrials.gov and WHO ICTRP trial registers until 14 April 2022.

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This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To assess the benefits and harms of laparoscopic or robot-assisted pancreatoduodenectomy versus open pancreatoduodenectomy for people with benign, premalignant, and malignant disease.

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Objectives: To understand the facilitators and barriers to the implementation of renal tumour biopsy (RTB) in the diagnostic pathway for renal tumours in England.

Patients And Methods: Participants consisted of patients who had a renal tumour diagnosed and/or treated at one of five tertiary centres in England, healthcare professionals involved in the direct care of patients diagnosed with renal tumours, and clinical service managers and commissioners. The study employed a mixed-methods research methodology consisting of individual interviews and an on-line survey that explored the types of facilitators and barriers individuals perceived and experienced and the frequency in which these were reported.

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Article Synopsis
  • International guidelines suggest that surgical removal of suspected localized renal cell carcinoma (RCC) is common, but some benign cases are identified post-surgery, highlighting a need for better non-invasive diagnostic tests.
  • A systematic review was conducted on imaging tests' accuracy for T1 renal tumors, analyzing 27 studies involving over 2000 tumors, which highlighted various imaging modalities like CT, MRI, and PET scans.
  • While [Tc]Tc-sestamibi SPECT/CT showed promising sensitivity and specificity, the optimal imaging strategy remains uncertain, calling for further research and standardization of diagnostic criteria across different imaging techniques.
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Background: There is uncertainty in the relative benefits and harms of hyperthermic intraoperative peritoneal chemotherapy (HIPEC) when added to cytoreductive surgery (CRS) +/- systemic chemotherapy or systemic chemotherapy alone in people with peritoneal metastases from colorectal, gastric, or ovarian cancers.

Methods: We searched randomized controlled trials (RCTs) in the medical literature until April 14, 2022 and applied methods used for high-quality systematic reviews.

Findings: We included a total of eight RCTs (seven RCTs included in quantitative analysis as one RCT did not provide data in an analyzable format).

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Background: Penile cancer is a rare male genital malignancy. Surgical excision of the primary tumour is followed by radical inguinal lymphadenectomy if there is metastatic disease detected by biopsy, fine needle aspiration cytology (FNAC) or following sentinel lymph node biopsy in patients with impalpable disease. However, radical inguinal lymphadenectomy is associated with a high morbidity rate, and there is increasing usage of a videoendoscopic approach as an alternative.

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Background: Laparoscopic surgery is the preferred option for many procedures. To properly perform laparoscopic surgery, it is essential that sudden movements and abdominal contractions in patients are prevented, as it limits the surgeon's view. There has been a growing interest in the potential beneficial effect of deep neuromuscular blockade (NMB) in laparoscopic surgery.

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Background: Differentiation between adenomas and carcinomas of the ampulla of Vater is crucial for therapy and prognosis. This was a systematic review of the literature on the accuracy of diagnostic modalities used to differentiate between benign and malignant ampullary tumours.

Methods: A literature search was conducted in PubMed, Embase, CINAHL, and the Cochrane Library.

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Context: The smear layer produced during the instrumentation of the root canal contains both organic and inorganic components, and it is recommended to be removed as it has a mixture of bacteria and their byproducts. Irrigants like sodium hypochlorite (NaOCl), ethylenediaminetetraacetic acid (EDTA), endodontic irrigant, citric acid, etc., possess the ability to remove the smear layer.

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Introduction: Cough as a symptom of renal cell carcinoma (RCC) was first described by Creevy in 1935, and despite one (unpublished) study suggesting it may affect 31% of these patients, as well as cough being discussed in forums for patients with kidney cancer, few clinicians are aware of this association. The cough has been described as unusual in nature, resolving rapidly after treatment with nephrectomy/embolisation but returning if the tumour recurs.

Methods And Analysis: A prospective study using a questionnaire will identify the prevalence of cough in patients with suspected or confirmed RCC attending the Specialist Centre for Kidney Cancer (London, UK).

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Aims: The aim of this study was to report the three-year follow-up for a series of 400 patients with a displaced intracapsular fracture of the hip, who were randomized to be treated with either a cemented polished tapered hemiarthroplasty or an uncemented hydroxyapatite-coated hemiarthroplasty.

Methods: The mean age of the patients was 85 years (58 to 102) and 273 (68%) were female. Follow-up was undertaken by a nurse who was blinded to the hemiarthroplasty that was used, at intervals for up to three years from surgery.

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Augmented Reality (AR) is considered to be a promising technology for the guidance of laparoscopic liver surgery. By overlaying pre-operative 3D information of the liver and internal blood vessels on the laparoscopic view, surgeons can better understand the location of critical structures. In an effort to enable AR, several authors have focused on the development of methods to obtain an accurate alignment between the laparoscopic video image and the pre-operative 3D data of the liver, without assessing the benefit that the resulting overlay can provide during surgery.

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There is a paucity of high-level evidence on small renal mass (SRM) management, as previous classical randomised controlled trials (RCTs) failed to meet accrual targets. Our objective was to assess the feasibility of recruitment to a cohort-embedded RCT comparing cryoablation (CRA) to robotic partial nephrectomy (RPN). A total of 200 participants were recruited to the cohort, of whom 50 were enrolled in the RCT.

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Article Synopsis
  • Photoacoustic imaging (PAI) shows promise in clinical applications, particularly for inflammatory diseases and cancer, and has recently gained regulatory approval for its use.
  • Despite this progress, the integration of PAI into healthcare faces challenges, including the need for education, training, and improved data acquisition and interpretation skills.
  • In 2022, the International Photoacoustic Standardisation Consortium (IPASC) identified these barriers and proposed strategic plans to address them, detailing efforts needed in the short, medium, and long term for successful implementation.
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Context: Prostate cancer (PC) disproportionately affects men of Black race, and lower educational and socioeconomic status. Guidelines are based on randomised controlled trials (RCTs); however, the representation of different races, educations, and socioeconomic backgrounds in these trials is unclear.

Objective: To assess reporting of equality, diversity, and inclusion characteristics (Equality, Diversity and Inclusion [EDI]) and differences in treatment effects between different races, and educational or socioeconomic status.

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Laparotomy incisions provide easy and rapid access to the peritoneal cavity in case of emergency surgery. Incisional hernia (IH) is a late manifestation of the failure of abdominal wall closure and represents frequent complication of any abdominal incision: IHs can cause pain and discomfort to the patients but also clinical serious sequelae like bowel obstruction, incarceration, strangulation, and necessity of reoperation. Previous guidelines and indications in the literature consider elective settings and evidence about laparotomy closure in emergency settings is lacking.

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Article Synopsis
  • About 75% of pancreatic cancer patients experience pain, and over 50% suffer from cachexia, yet there's uncertainty on how to manage these symptoms effectively.
  • The study aims to compare different interventions for managing pain and treating cachexia in patients with unresectable pancreatic cancer through systematic reviews and network meta-analysis, while also developing a clinical care pathway based on patient and healthcare professional input.
  • The methodology includes systematic literature reviews, independent trial screening, risk of bias assessment, and data analysis, culminating in surveys to gather perspectives from patients and caregivers regarding pain and caching management.
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Introduction: The prime source of vascularization to the head and neck region is through the carotid arteries. The terminal branches of common carotid arteries, such as external carotid artery (ECA) and internal carotid artery (ICA), and their branches are crucial due to the wide area of distribution and variations in their branching pattern. The branching pattern and morphometry are essential for surgeons in the planning and execution of head and neck surgeries.

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Background: Accurate camera and hand-eye calibration are essential to ensure high-quality results in image-guided surgery applications. The process must also be able to be undertaken by a nonexpert user in a surgical setting.

Purpose: This work seeks to identify a suitable method for tracked stereo laparoscope calibration within theater.

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Introduction: The incidence of renal tumours is increasing and anatomic imaging cannot reliably distinguish benign tumours from renal cell carcinoma. Up to 30% of renal tumours are benign, with oncocytomas the most common type. Biopsy has not been routinely adopted in many centres due to concerns surrounding non-diagnostic rate, bleeding and tumour seeding.

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Objective: To perform a network meta-analysis of randomised controlled trials of different surfactant treatment strategies for respiratory distress syndrome (RDS) to assess if a certain fraction of inspired oxygen (FiO) is optimal for selective surfactant therapy.

Design: Systematic review and network meta-analysis using Bayesian analysis of randomised trials of prophylactic versus selective surfactant for RDS.

Setting: Cochrane Central Register of Controlled Trials, MEDLINE, Embase and Science Citation Index Expanded.

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