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J Vasc Interv Radiol ; 32(1): 33-38, 2021 01.
Article in English | MEDLINE | ID: covidwho-1454337


PURPOSE: To determine effect of body mass index (BMI) on safety and cancer-related outcomes of thermal ablation for renal cell carcinoma (RRC). MATERIALS AND METHODS: This retrospective study evaluated 427 patients (287 men and 140 women; mean [SD] age, 72 [12] y) who were treated with thermal ablation for RCC between October 2006 and December 2017. Patients were stratified by BMI into 3 categories: normal weight (18.5-24.9 kg/m2), overweight (25-29.9 kg/m2), and obese (≥ 30 kg/m2). Of 427 patients, 71 (16%) were normal weight, 157 (37%) were overweight, and 199 (47%) were obese. Complication rates, local recurrence, and residual disease were compared in the 3 cohorts. RESULTS: No differences in technical success between normal-weight, overweight, and obese patients were identified (P = .72). Primary technique efficacy rates for normal-weight, overweight, and obese patients were 91%, 94%, and 93% (P = .71). There was no significant difference in RCC specific-free survival, disease-free survival, and metastasis-free survival between obese, overweight, and normal-weight groups (P = .72, P = .43, P = .99). Complication rates between the 3 cohorts were similar (normal weight 4%, overweight 2%, obese 3%; P = .71). CONCLUSIONS: CT-guided renal ablation is safe, feasible, and effective regardless of BMI.

Body Mass Index , Carcinoma, Renal Cell/surgery , Cryosurgery , Kidney Neoplasms/surgery , Microwaves/therapeutic use , Obesity/diagnosis , Radiofrequency Ablation , Aged , Aged, 80 and over , Carcinoma, Renal Cell/mortality , Carcinoma, Renal Cell/secondary , Cryosurgery/adverse effects , Cryosurgery/mortality , Disease Progression , Disease-Free Survival , Female , Humans , Kidney Neoplasms/mortality , Kidney Neoplasms/pathology , Male , Microwaves/adverse effects , Middle Aged , Neoplasm Recurrence, Local , Obesity/mortality , Patient Safety , Radiofrequency Ablation/adverse effects , Radiofrequency Ablation/mortality , Retrospective Studies , Risk Assessment , Risk Factors , Time Factors , Treatment Outcome
Adv Respir Med ; 89(1): 72-74, 2021.
Article in English | MEDLINE | ID: covidwho-1143743


A COVID-19 diagnosis is usually based on PCR detection of viral RNA in airway specimens in a patient with typical clinical fea-tures. Histological features of the COVID-19 lung disease are reported from autopsies. Transbronchial cryobiopsy (TBCB) is an evolving technique usually performed in the diagnosis of interstitial lung disease. We report a TBCB in a 76-year-old female patient who had repeatedly tested negative for SARS-CoV-2 infection. The pathological examination revealed the presence of interstitial pneumonia with lymphocytic infiltration. The qRT-PCR against SARS-CoV-2 from a pharyngeal swab was positive after performing the TBCB.

Bronchoscopy/methods , COVID-19 Testing/methods , Cryosurgery/methods , SARS Virus/isolation & purification , Aged , Biopsy/methods , Clinical Laboratory Techniques , Female , Humans
Breast Cancer Res Treat ; 182(3): 515-521, 2020 Aug.
Article in English | MEDLINE | ID: covidwho-593582


PURPOSE: Cryoablation is a minimally-invasive percutaneous procedure that is capable of reducing the psychosocial burden of surgical delay while also decreasing the morbidity of breast cancer therapy. The purpose of this editorial is to discuss the potential role of cryoablation for reducing the psychosocial burden of surgical delay during the COVID-19 pandemic by expediting the management of breast cancer while also lessening demand on limited healthcare resources. METHODS: This editorial critiques current expert opinion recommendations that aim to reduce viral transmission and preserve healthcare resources during the COVID-19 pandemic by advocating delay of elective breast cancer surgery. RESULTS: The editorial summarizes the current state of the evidence that supports the selective use of cryoablation as a definite or stopgap measure in the management of breast cancer during the COVID-19 pandemic or when healthcare resources are limited. CONCLUSIONS: As an office-based procedure performed under local anesthesia, cryoablation eliminates the need for operating room personnel and equipment while also reducing the psychosocial impact of delayed breast cancer surgery. By reducing the number of patient and healthcare provider interactions, cryoablation not only decreases the risk of viral transmission but also the need for personal protective devices during resource-limited times.

Antineoplastic Agents, Hormonal/therapeutic use , Anxiety/psychology , Breast Neoplasms/therapy , Coronavirus Infections/epidemiology , Cryosurgery/methods , Mastectomy , Neoadjuvant Therapy , Pneumonia, Viral/epidemiology , Time-to-Treatment , Ambulatory Surgical Procedures , Betacoronavirus , Breast Neoplasms/metabolism , Breast Neoplasms/pathology , Breast Neoplasms/psychology , COVID-19 , Coronavirus Infections/prevention & control , Female , Humans , Mastectomy, Segmental , Neoplasm Staging , Pandemics/prevention & control , Personal Protective Equipment/supply & distribution , Pneumonia, Viral/prevention & control , Risk Assessment , SARS-CoV-2