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- Ivanics, Tommy, et al.
(author)
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Contemporary management of chronic indwelling inferior vena cava filters
- 2021
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In: Journal of Vascular Surgery. - : Elsevier. - 2213-3348. ; 9:1, s. 163-169
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Journal article (peer-reviewed)abstract
- Objective: Despite increasing retrieval rates of the inferior vena cava (IVC) filter, less than one-third are removed within the recommended timeline. Prolonged filter dwell times may increase the technical difficulty of retrieval and filter-related complications. We sought to evaluate the contemporary outcomes of patients with chronic indwelling IVC filters at a tertiary care center.Methods: A retrospective analysis was performed from August 2015 through August 2019 of all patients who were referred for removal of a prolonged IVC filter with a dwell time >1 year. Descriptive analysis was used to evaluate patients' characteristics and procedural outcomes, which were reviewed through electronic medical records. Data were expressed as median with interquartile range (IQR) or number and percentage, as appropriate.Results: A total of 47 patients were identified with a median filter dwell time of 10.0 years (IQR, 6-13 years); 34 patients underwent IVC filter removal, and 13 patients refused retrieval. The median age of patients was 54.9 years (IQR, 42.5-64.0 years); the majority were female (57%) and white (53%). The most common indication for filter placement was high risk despite anticoagulation (49%), followed by venous thromboembolism prophylaxis (21%). The majority of patients were symptomatic (72%). If symptomatic, the most common reason for retrieval was IVC penetration (94%), and the chief complaint was pain (56%). Retrieval success was 97%, with a median length of stay of 0 days. The majority of retrievals were performed through an endovascular approach (97%). There was one postprocedural complication (3%).Conclusions: Despite prolonged dwell times, IVC filter retrieval can be performed safely and effectively in carefully selected patients at a tertiary referral center.
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- Leonard-Murali, Shravan, et al.
(author)
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Esophagectomies for Malignancy Among General and Thoracic Surgeons: A Propensity Score Matched National Surgical Quality Improvement Program Analysis Stratified by Surgical Approach
- 2021
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In: The American surgeon. - : SAGE Publications. - 0003-1348 .- 1555-9823.
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Journal article (peer-reviewed)abstract
- Previous studies of esophagectomy outcomes by surgical specialty do not address malignancy or surgical approach. We sought to evaluate these cases using a national database. The National Surgical Quality Improvement Program (NSQIP)–targeted esophagectomy data set was queried for esophagectomies for malignancy and grouped by surgeon specialty: thoracic surgery (TS) or general surgery (GS). 1:1 propensity score matching was performed. Associations of surgical specialty with outcomes of interest (30-day mortality, anastomotic leak, Clavien-Dindo grade ≥ 3, and positive margin rate) were assessed overall and in surgical approach subsets. 1463 patients met inclusion criteria (512 GS and 951 TS). Propensity score matching yielded matched groups of 512, with similar demographics, preoperative stage, and neoadjuvant therapy rates. All outcomes of interest were similar between TS and GS groups, both overall and when stratified by surgical approach. Esophagectomy for malignancy has a similar perioperative safety profile and positive margin rate among general and thoracic surgeons, regardless of surgical approach.
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- Leonard-Murali, Shravan, et al.
(author)
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Intraoperative Nerve Monitoring in Thyroidectomies for Malignancy: Does it Matter?
- 2021
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In: The American surgeon. - : SAGE Publications. - 0003-1348 .- 1555-9823.
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Journal article (peer-reviewed)abstract
- Recurrent laryngeal nerve (RLN) injury and postoperative hypocalcemia are potential complications of thyroidectomy, particularly in malignancy. Intraoperative nerve monitoring (IONM) remains controversial. We sought to evaluate the impact of IONM on these complications using a national data set. Methods The American College of Surgeons National Surgical Quality Improvement Program thyroidectomy-targeted data set was queried for patients who underwent thyroidectomies from 2016 to 2017. Patients were grouped according to IONM use. Logistic regression models were constructed to evaluate associations of variables with 30-day hypocalcemic events (HCEs) and RLN injury. Associations were expressed as odds ratios (ORs) with 95% confidence intervals (95% CIs). A subgroup analysis was performed of patients with malignancy. Results A total of 9527 patients were identified; 5969 (62.7%) underwent thyroidectomy with IONM and 3558 (37.3%) without. By multivariable analysis, IONM had protective associations with HCE (OR = .81, 95% CI = .68-.96; P = .013) and RLN injury (OR = .83, 95% CI = .69-.98; P = .033). Malignancy increased risk of HCE (OR = 1.21, 95% CI=1.01-1.45; P = .038) and RLN injury (OR = 1.22, 95% CI = 1.02-1.46; P = .034). A large proportion (5943/9527, 62.4%) of patients had malignancy; 3646 (61.3%) underwent thyroidectomy with IONM and 2297 (38.7%) without. In the subgroup analysis, IONM had stronger protective associations with HCE (OR = .73, 95% CI = .60-.90; P = .003) and RLN injury (OR = .76, 95% CI = .62-.94; P = .012). Discussion Malignancy was associated with increased risk of HCE and RLN injury. Intraoperative nerve monitoring had a protective association with HCE and RLN injury, both overall, and in the malignant subgroup. Intraoperative nerve monitoring was correlated with improved thyroidectomy outcomes, especially if the indication was malignancy. This warrants further study to clarify cause and effect.
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