Publications by authors named "Coonar Aman"

Background: The RESECT-90 model was developed to predict 90-day mortality for patients undergoing lung resection but hasn't been externally validated. The aim of this study was to validate the RESECT-90 clinical prediction model using multicentre patient data from across the United Kingdom (UK).

Materials And Methods: Data from 12 UK thoracic surgery centers for patients undergoing lung resection between 2016 and 2020 with available 90-day mortality status were used to externally validate the RESECT-90 model.

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Background: The Cardio-Thoracic (CT) professional group experienced a significant increase in stress and workload during and after the COVID-19 pandemic. The Society for Cardiothoracic Surgery (SCTS) in Great Britain and Ireland with the aim of endorsing positive change. Aim of this project was to understand the Mental Health (MH) and wellbeing status of the CT professionals and to explore Virtual Reality Mindfulness as an intervention to improve MH and wellbeing.

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Article Synopsis
  • Pectus defects, which occur in about 1 in 250 people, include conditions where the sternum either sinks in (excavatum) or protrudes out (carinatum), impacting some individuals psychologically and physiologically.
  • Most cases are mild and don't hinder daily activities, but some patients experience lower self-esteem and depression, avoiding social situations due to physical appearance issues.
  • Treatment options vary from supportive care and psychological support to non-surgical methods like bracing, as well as surgical options like the Nuss and Ravitch procedures for severe cases, with many patients only needing supportive care.
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The pleural lining of the thorax regulates local immunity, inflammation and repair. A variety of conditions, both benign and malignant, including pleural mesothelioma, can affect this tissue. A lack of knowledge concerning the mesothelial and stromal cells comprising the pleura has hampered the development of targeted therapies.

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Objectives: To measure the unit-level variation in Acute Kidney Injury (AKI) incidence post-thoracic surgery over a contemporary 1-year period. Secondary aims include examining the associations with sex, age group, operation type, length of stay and mortality.

Design: A multicentre, observational, retrospective study in thoracic surgery.

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Surgical approaches to major pulmonary resections have evolved from thoracotomy to multiportal video-assisted thoracoscopy (VATS) and subsequently uniportal VATS. The efficacy of this progress has been validated in a multitude of publications demonstrating reductions in complications, patient perception of pain, and postoperative length of stay. More recent advances include subxiphoid extrathoracic access and nonintubated, opioid-free anesthesia.

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Objective: To assess the feasibility and effectiveness of an opioid-free anesthesia (OFA) technique in lung cancer resection surgery versus standard opioid-based techniques.

Design: Retrospective, propensity-matched, case-control study.

Setting: A single, specialty cardiothoracic center between January 2018 and July 2019.

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Metastasis is the leading cause of cancer-related death. This multistage process involves contribution from both tumour cells and the tumour stroma to release metastatic cells into the circulation. Circulating tumour cells (CTCs) survive circulatory cytotoxicity, extravasate and colonise secondary sites effecting metastatic outcome.

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This is a report of a 31-year-old male refugee, who was admitted to Intensive Therapy Unit after being found in severe chest pain after escaping extreme torture from his home country. He was found to have four nails in his thorax. These were removed using a subxiphoid video-assisted thorascopic surgery (VATS) technique.

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Hereditary multiple exostoses is a rare autosomal dominant condition resulting in the development of multiple osteochondromas. We present the case of a 25-year-old woman with hereditary multiple exostoses who was referred for thoracic surgery assessment due to severe right-sided chest pain. Computed tomographic scan allowed preoperative planning for resection of the lesion.

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Objectives: Because the mortality rate is very low in thoracic surgery, its use as a quality discriminator is limited. Acute kidney injury (AKI) is a candidate measure because it is associated with increased rates of morbidity and mortality and is partly preventable. The incidence of AKI after thoracic surgery is not well documented.

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Introduction: One of the most debilitating symptoms of malignant pleural mesothelioma (MPM) is dyspnoea caused by pleural effusion. MPM can be complicated by the presence of tumour on the visceral pleura preventing the lung from re-expanding, known as trapped lung (TL). There is currently no consensus on the best way to manage TL.

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Background: Despite systematic investigation with computed tomography (CT), positron emission tomography (PET)/CT, CT or magnetic resonance imaging (MRI) brain imaging and supplementary investigation using endobronchial ultrasound guided biopsy (EBUS), endo-oesophageal ultrasound guided biopsy (EUS), fine needle aspiration (FNA), mediastinoscopy or mediastinotomy, there is an approximately 10% rate of occult N2 disease identified at pathological staging. It has been hypothesised that such occult disease, too small or inactive to be identified during pre-operative multi-modality staging, may represent low volume disease that may have equivalent survival to patients with similar stage at clinical, pre-operative assessment. We compared the long-term survival and disease-free survival of patients with the same clinical TNM stage with and without occult N2 disease.

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We present the case of a 50-year-old woman with severe emphysema, who underwent subxiphoid uniportal video-assisted lung volume reduction surgery. Standard techniques include staged unilateral video-assisted thoracoscopic surgery and historically sternotomy and thoracotomy. Concerns that the subxiphoid incision may have impacted on the abdominal component of ventilation was considered; however, this was not the case, and pain control was excellent.

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Introduction: Minimally invasive techniques have become the standard for a variety of procedures across all surgical specialties. There has been a recent move to integrate robotic technology into standard laparoscopic and thoracoscopic surgery with the aim of improving stability of the visual field with the use of robotic camera assistance. The aim of this study was to report on and examine the use of a headset-controlled robotic camera holder, FreeHand.

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Lung cancer is a common disease and the leading cause of cancer-related mortality, with non-small cell lung cancer (NSCLC) accounting for the majority of cases. Following diagnosis of lung cancer, accurate staging is essential to guide clinical management and inform prognosis. Positron emission tomography (PET) in conjunction with computed tomography (CT)-as PET-CT has developed as an important tool in the multi-disciplinary management of lung cancer.

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Thoracic surgery is rapidly evolving with minimally invasive strategies now dominating. Thymectomy has traditionally been performed through a sternotomy, but more recently video-assisted thoracoscopic surgery (VATS) approaches have become increasingly popular. To further minimise surgical impact, the uniportal subxiphoid VATS technique has recently been described, using a muscle sparing incision that avoids intercostal nerve injury.

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The development of video-assisted thoracoscopic surgery (VATS) has contributed to reduced pain and improved recovery following thoracic surgery. However, pain remains a major issue. Patients with bilateral pulmonary pathology requiring operative intervention may have even more pain due to bilateral transthoracic incisions.

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Video of video-assisted thoracoscopic surgery (VATS) on a 16-year old who had been stabbed. The knife penetrated the diaphragm, lung and intercostal pedicle causing a haemopneumothorax. A chest drain was inserted by the trauma team.

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Chest wall invasion is seen in 5% to 8% of patients presenting with lung cancer. We report a case of complete resection of a 14 cm × 9 cm pT3N0M0 squamous cell carcinoma arising from the right lower lobe and invading the lower chest wall posteriorly, in a 75 years old male, via a hybrid thoracoscopic [video-assisted thoracoscopic surgery (VATS)] approach. Following conventional VATS lobectomy, a targeted 10 cm incision was performed to allow wide resection of the 7 to 10 ribs and 6 to 9 transverse processes, with the defect being subsequently reconstructed with a composite rigid prosthesis.

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Treatment of chronic postpneumonectomy empyema is a reconstructive problem that is always complicated by previous thoracic surgical procedures. Free flaps may be used because they effectively obliterate remaining pleural cavity dead space. Combined muscle free flaps with common vascular pedicles are viable alternatives when single muscle flaps do not possess adequate bulk.

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