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BACKGROUND: This study aimed to evaluate the association between phase angle, muscle strength, and muscle mass in patients undergoing kidney transplantation. METHODS: Patients whose pre- and follow-up phase angles were measured after kidney transplantation were enrolled. Phase angle and body composition were measured using a multi-frequency bioimpedance analysis device before and at 7 and 14 days and 3, 6, and 12 months after transplantation. Muscle strength was evaluated using handgrip strength (HGS). Low HGS was defined as < 28 kg in males and < 18 kg in females. Low muscle mass was defined as an appendicular lean mass index of < 7.0 kg/m2 in males and < 5.7 kg/m2 in females. RESULTS: Eighty-eight patients (mean age 52.3 ± 10.1 years) were analyzed. The mean phase angle of pre-transplantation was 5.0 ± 1.0°. Body fat percentage was significantly higher at 6 and 12 months after transplantation than pre-transplantation (P < 0.0001). Twelve months after kidney transplantation, the prevalence of low HGS decreased (pre-transplantation vs. 12 months post-transplantation: 28.4% vs. 17.0%), and the prevalence of low muscle mass (pre-transplantation vs. 12 months post-transplantation: 21.6% vs. 28.4%) increased. The pre-transplantation phase angle was significantly associated with low muscle mass at 12 months after kidney transplantation (odds ratio [OR]: 0.34; 95% confidence interval [CI]: 0.16-0.72; P = 0.005). The pre-transplantation phase angle was not significantly associated with low HGS (OR: 0.37; 95% CI 0.12-1.17; P = 0.090) 12 months after kidney transplantation. CONCLUSIONS: Pre-transplantation phase angle can predict muscle mass status 12 months after kidney transplantation.
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BACKGROUND: Venoactive drugs (VADs) based on Vitis vinifera extract are widely used in Korea. However, studies on the clinical effects and head-to-head comparisons with other groups of VADs are limited. This trial aimed to evaluate whether Vitis vinifera seed extract was noninferior to the micronized purified flavonoid fraction (MPFF) in relieving venous symptoms and improving quality of life in patients with chronic venous disease. METHODS: In this double-blind prospective randomized trial, patients from 13 hospitals, who were diagnosed with venous incompetence by duplex ultrasound and classified as clinical class 1, 2, or 3 in the Clinical, Etiological, Anatomical, and Pathophysiological classifications were enrolled. The primary outcome was the change in the Chronic Venous Disease Quality of Life Questionnaire (CIVIQ-20) score at 8 weeks from baseline. Secondary outcomes included changes in the Aberdeen Varicose Vein Questionnaire, visual analog scale, and Venous Clinical Severity Score at 4 and 8 weeks from baseline. Moreover, the change in leg circumferences was measured at 8 weeks and compared to baseline. RESULTS: In total, 303 patients were enrolled and randomly assigned to receive either Vitis vinifera seed extract (n = 154) or MPFF (n = 149). The CIVIQ-20 scores at 8 weeks were significantly reduced compared to those at baseline in both groups. No significant intergroup difference in the change of CIVIQ-20 at 8 weeks from baseline was observed (-8.31 ± 14.63 vs. -10.35 ± 14.38, P = 0.29, 95% confidence interval -1.65 to 5.72). The lower limit of the 95% confidence interval was within the predefined noninferiority margin of 6.9. Furthermore, the Aberdeen Varicose Vein Questionnaire, visual analog scale, and Venous Clinical Severity Score scores significantly decreased at 4 and 8 weeks after randomization compared with baseline in both groups. No significant differences were observed in the reduction of each score between groups. The calf circumference measured at 8 weeks was significantly reduced compared to that at baseline in patients receiving Vitis vinifera seed extract. CONCLUSIONS: Vitis vinifera seed extract was noninferior to MPFF in relieving venous symptoms and improving the quality of life in patients with chronic venous disease.
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Background Computed tomography venography (CTV) at low kVp using model-based iterative reconstruction (MBIR) can enhance vascular enhancement with noise reduction. Purpose To evaluate image qualities and radiation doses of CTV at 80 kVp using MBIR and a small iodine contrast media (CM) dose and to compare these with those of CTV performed using a conventional protocol. Material and Methods Sixty-five patients (mean age = 58.1 ± 7.2 years) that underwent CTV for the evaluation of deep vein thrombosis (DVT) and varicose veins were enrolled in this study. Patients were divided into two groups: Group A (35 patients, 80 kVp, MBIR, automatic tube current modulation, CM = 270 mg/mL, 100 mL) and Group B (30 patients, 100 kVp, filtered back projection [FBP], 120 fixed mA, CM = 370 mg/mL, 120 mL). Objective and subjective image qualities of inferior vena cava (IVC), femoral vein (FV), and popliteal vein (PV) were assessed and radiation doses were recorded. Results Mean vascular enhancement in group A was significantly lower than in group B ( P < 0.01). Noise in group A was significantly lower than in group B except for PV and contrast-to-noise ratio were not significantly different in the two groups ( P > 0.05). In addition, radiation dose in group A was significantly lower than in group B ( P < 0.001). Subjective image quality comparison revealed group A was statistically inferior to group B except for subjective image noise. Conclusion CTV at 80 kVp using MBIR with small iodine contrast dose provided acceptable image quality at a lower radiation dose than conventional CTV using FBP.
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Flebografía/métodos , Tomografía Computarizada por Rayos X/métodos , Várices/diagnóstico por imagen , Trombosis de la Vena/diagnóstico por imagen , Medios de Contraste/administración & dosificación , Femenino , Vena Femoral/diagnóstico por imagen , Humanos , Masculino , Persona de Mediana Edad , Vena Poplítea/diagnóstico por imagen , Dosis de Radiación , Interpretación de Imagen Radiográfica Asistida por Computador/métodos , Estudios Retrospectivos , Vena Cava Inferior/diagnóstico por imagenRESUMEN
BACKGROUND: Epidermal cysts and squamous cell carcinomas (SCCs) are common skin lesions. However, a malignant change in an epidermal cyst is very rare. The incidence of a malignant change from an epidermal cyst to cutaneous SCC is 0.011-0.045%. In particular, malignant transformation of an epidermal cyst in the perineum is extremely rare. To date, three cases have been reported in the English literature. CASE PRESENTATION: We report a case of 51-year-old male with an approximately 15-cm perineal mass. This mass started to grow suddenly 4 months previously and caused great discomfort in the perineum due to the large size. The patient underwent excision of the mass with a negative margin. Histopathological analysis confirmed a microinvasive SCC arising from a proliferating epidermoid cyst. CONCLUSIONS: Even if benign tumors are suspected, a change in size, pain, ulceration, or discharge should indicate the need for surgical resection due to the possibility of a malignant change.
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Carcinoma de Células Escamosas/cirugía , Quiste Epidérmico/cirugía , Perineo/cirugía , Neoplasias Cutáneas/cirugía , Carcinoma de Células Escamosas/diagnóstico , Quiste Epidérmico/diagnóstico , Humanos , Masculino , Persona de Mediana Edad , Perineo/patología , Neoplasias Cutáneas/diagnósticoRESUMEN
BACKGROUND: Endovascular treatment is an alternative first-line management for peripheral artery disease (PAD). Hybrid treatment (HT) is defined as a combined treatment for patients with PAD using endovascular and open surgery, simultaneously performed in an operating room. The results of HT are reportedly good for multilevel revascularization (MR) in patients with chronic limb ischaemia, and even in older high-risk patients. The goal of this study was to examine the clinical and haemodynamic outcomes of HT in patients who need MR. PATIENTS AND METHODS: Nine university hospitals in Korea participated in this multicentre study. A total of 134 patients with multilevel PAD underwent HT and MR. Patients were enrolled from July 2014 to June 2015 and were followed for 18 months. RESULTS: The mean age of the patients was 68.8 ± 9.93 years and 88.1 % were men. Patients with Rutherford category 2 to 3 and 4 to 6 comprised 59.0 % and 42.0 % of the group, respectively. The technical success rate was 100 %. The primary patency rates at 12 and 18 months were 77.6 % and 63.9 %, respectively. The primary-assisted patency rates at 12 and 18 months were both 90.0 %. The pre-operative mean ankle brachial index (0.43 ± 0.23) increased to 0.87 ± 0.23 at six months post-operatively (t-test, p < 0.05). The amputation free survival rate was 97.1 %. CONCLUSIONS: Although outcomes of multilevel PAD are reportedly poor when endovascular treatment alone is used, we have shown that HT is a feasible alternative modality for patients with multilevel PAD, with satisfactory amputation-free survival and freedom from re-intervention rates.
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Procedimientos Endovasculares , Enfermedad Arterial Periférica/terapia , Procedimientos Quirúrgicos Vasculares , Adulto , Anciano , Anciano de 80 o más Años , Amputación Quirúrgica , Terapia Combinada , Supervivencia sin Enfermedad , Procedimientos Endovasculares/efectos adversos , Procedimientos Endovasculares/instrumentación , Femenino , Hospitales Universitarios , Humanos , Estimación de Kaplan-Meier , Recuperación del Miembro , Masculino , Persona de Mediana Edad , Enfermedad Arterial Periférica/diagnóstico , Enfermedad Arterial Periférica/fisiopatología , República de Corea , Estudios Retrospectivos , Factores de Riesgo , Stents , Factores de Tiempo , Resultado del Tratamiento , Grado de Desobstrucción Vascular , Procedimientos Quirúrgicos Vasculares/efectos adversosRESUMEN
OBJECTIVE: Preclinical studies have proved that beta-blocking agents inhibit several pathways for breast cancer progression and metastasis. We aimed to evaluate the association between beta-blocker use and prognosis of breast cancer. METHODS: A systematic search for studies from MEDLINE and EMBASE (inception to March 2014) was performed using the keywords "breast cancer" and "beta-blocker." In 2 groups of breast cancer patients (beta-blocker users and non-beta-blocker users), overall deaths (ODs), cancer-specific deaths (CSDs), and recurrences were compared. RESULTS: Six studies including 18,118 patients were eligible for this analysis. Two studies with 3,139 patients were included in the analysis of ODs. The random-effects model showed no significant difference in ODs between beta-blocker users and non-beta-blocker users (odds ratio [OR] 0.87, 95% confidence interval [CI] 0.50-1.52, p = 0.49). Four studies with 13,782 patients were included in the measurement of CSDs. The difference in CSDs between beta-blocker users and non-beta-blocker users was not significant using the fixed-effect model (OR 0.93, 95% CI 0.82-1.06, p = 0.29). Three studies with 3,923 patients were included in the calculation of recurrences. Overall, beta-blockers did not affect the incidence of recurrence (OR 0.70, 95% CI 0.25-1.95, p = 0.49). CONCLUSION: Beta-blockers were not beneficial regarding ODs, CSDs, or recurrences. Further studies are needed to evaluate the associations between the effects of beta-blockers and subtypes of breast cancer.
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Antagonistas Adrenérgicos beta/uso terapéutico , Neoplasias de la Mama/tratamiento farmacológico , Hipertensión/tratamiento farmacológico , Neoplasias de la Mama/complicaciones , Neoplasias de la Mama/mortalidad , Progresión de la Enfermedad , Femenino , Humanos , Hipertensión/complicaciones , Incidencia , Metástasis de la Neoplasia/prevención & control , Recurrencia Local de Neoplasia/prevención & control , Análisis de Supervivencia , Resultado del TratamientoRESUMEN
Objective: Arteritis refers to all infectious and non-infectious conditions that lead to inflammation of the arterial wall. However, little is known about its presence in patients with coronavirus disease 2019 (COVID-19). Most patients improved with steroids along with conservative treatments in a few studies. We report our experience with superior mesenteric artery (SMA) arteritis causing an aneurysm following COVID-19 infection. Case presentation: A 66-year-old female patient who was infected with COVID-19 1 month prior presented with abdominal pain. A computed tomography scan revealed proximal SMA arteritis. Although preliminary antibacterial treatment was initiated, the follow-up CT revealed an aggressive and fast-growing 5.7-cm SMA aneurysm. Subsequently, an open interposition bypass of the SMA aneurysm was performed successfully. As the specimens retrieved during surgery showed no bacterial colonization in the tissue or blood cultures, the patient was discharged without complications. Conclusions: The mechanism of arteritis in patients with COVID-19 has not been elucidated. In the absence of evidence of bacterial infection in arteritis, it is necessary to consider the possibility of viral infection caused by COVID-19 during the COVID-19 pandemic era and start with high-dose steroid therapy promptly.
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[This corrects the article on p. 120 in vol. 101, PMID: 34386461.].
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Bowel perforation secondary to a levonorgestrel-releasing intrauterine device is exceptionally rare. We present the case of a woman who exhibited abnormal findings during a colonoscopy examination. Despite undergoing an intrauterine device (IUD) insertion procedure for contraception in 2000, attempts for its removal in 2007 were unsuccessful due to the inability to locate the IUD. In 2022, she presented with intermittent hematochezia and lower left abdominal pain. Subsequent colonoscopy and abdominal computed tomography confirmed the presence of the IUD penetrating the uterine wall and entering the colon. Laparoscopic anterior resection was performed, and the patient's postoperative recovery was uneventful, indicating the viability of laparoscopic treatment as a valuable option.
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Purpose: This study aims to analyze the learning curve of hand-assisted laparoscopic living donor nephrectomy (HLDN) conducted by a trained gastrointestinal surgeon. Methods: A retrospective analysis was performed on the perioperative clinical data of 96 consecutive patients who underwent HLDN from May 2013 to March 2023. The learning curve was evaluated using the cumulative sum (CUSUM) test based on operation time and risk-adjusted CUSUM for postoperative complications. Patients were divided into three groups (novice, development, and competency phases) based on changes in operation time. Patient demographics and perioperative outcomes were compared between each group. Results: Among the patients, 35 were male, with a mean age of 48.9 ± 11.3 years and a mean body mass index (BMI) of 24.5 ± 3.2 kg/m2. The novice phase (phase 1) included the first 30 cases, with the development phase (phase 2) up to the 65th case. Operation times were significantly different across phases, averaging 263.2 ± 33.4, 211.1 ± 34.4, and 161.1 ± 31.3 minutes for phases 1, 2, and 3, respectively (P < 0.001). Blood loss decreased gradually across phases (phase 1, 264.7 ± 144.4 mL; phase 2, 239.7 ± 166.3 mL; phase 3, 198.8 ± 103.5 mL), though not statistically significant. BMI impacted operation time only in phase 1. Overall postoperative complications occurred in 13 cases (Clavien-Dindo grade I, 4 cases; grade II, 9 cases), with no significant differences across phases. Conclusion: HLDN can be safely performed by a trained gastrointestinal surgeon, with approximately 30 cases needed to achieve proficiency.
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With the recent increase in imaging tests, coexisting abdominal aortic aneurysms (AAAs) and thoracic aortic aneurysms (TAAs) are being discovered accidentally. We report two cases of simultaneous endovascular aortic repair (EVAR) and thoracic endovascular aortic repair (TEVAR) for AAA and TAA. Both 74-year-old and 79-year-old male with infrarenal AAA and saccular TAA were treated simultaneously with EVAR and TEVAR. Saccular TAAs were identified in the upper thoracic aorta during the evaluation of AAA. During endograft placement, carotid-subclavian bypass and cerebrospinal fluid (CSF) drainage were performed. Both patients were successfully discharged without spinal cord ischemia. Simultaneous EVAR and TEVAR can be considered for patients with AAA and saccular TAA in the upper thoracic aorta. Moreover, CSF drainage may be necessary to protect the spinal cord.
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BACKGROUND: Spontaneous dissection of the hepatic artery is a rare finding for which there is no specific treatment algorithm. Even though endovascular treatment and surgery have been used to treat other visceral artery dissections, these approaches can be challenging in the case of hepatic artery dissection because it is difficult to access the hepatic artery. CASE SUMMARY: 2 patients with spontaneous dissection of the hepatic artery were admitted due to epigastric pain. Although the liver function test results were normal, and there were no complications such as bleeding, shock, or ischemia in other organs, a subsequent computed tomography scan directly revealed the spontaneous dissection of the hepatic artery in both patients. The patients were treated with anticoagulants without surgery. Because it is difficult to perform surgery or endovascular treatment on the hepatic artery, we focused on preventing the progression of hepatic artery dissection and the formation of a new thrombus in the dissection. CONCLUSION: Considering the risk of surgical treatment for the hepatic artery and the condition of the patients, medical treatment with anticoagulants may be considered as an initial treatment and provide more benefits than surgical treatment.
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Disección Aórtica , Arteria Celíaca , Humanos , Arteria Hepática/diagnóstico por imagen , Tratamiento Conservador , Resultado del Tratamiento , Disección Aórtica/diagnóstico por imagen , Disección Aórtica/terapia , Disección Aórtica/complicaciones , Anticoagulantes/uso terapéuticoRESUMEN
Tumor could directly invade or is adherent to other organs, but superior mesentery vein (SMV) and duodenum invasion are very rare. A 62-year-old woman was diagnosed with abdominal pain for several months. Multiple erythematous brownish skin patches and palpable mass were found at epigastric area. Computed tomography imaging showed focal wall thickening at the transverse colon that invaded to the rectus muscle and anterior abdominal wall. On exploration, we identified tumor invaded or was adherent to the duodenum and superior mesenteric vein and performed en-bloc resection. After surgery, the patient received chemotherapy and was followed up without any recurrence for 16 months. Adhesion and invasion of tumor to surrounding organs can be unexpectedly found during surgery. In our case, we found duodenum and SMV invasion and achieved R0 resection by SMV and duodenum resection, which could improve the patient's prognosis.
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This corrects the article on p. 280 in vol. 51, PMID: 34215707.
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BACKGROUND: Four-dimensional (4D) flow magnetic resonance imaging (MRI) was used to objectively assess changes in blood flow velocity in patients with chronic venous insufficiency (CVI) who underwent stocking treatment alone and stocking combined with Grape seed proanthocyanidin extract (GSPE) treatment. METHODS: Patients diagnosed with CVI were recruited from August 31, 2018 to December 31, 2020. A total of 23 participants were selected, with 10 and 13 patients in the stocking treatment and stockingâ +â GSPE treatment groups, respectively. The blood flow velocity (Th-plane peak and average velocities) was calculated using 4D flow MRI. A paired t test was used to evaluate the differences in blood flow velocity before and after treatment. RESULTS: In the stocking treatment group, The Th-Plane peak velocity increased by 2.48â ±â 5.05 cm/s after treatment (Pâ =â .16). In the stockingâ +â GSPE treatment group, the Th-Plane peak velocity increased by 4.85â ±â 5.57 cm/s after treatment (Pâ <â .001). CONCLUSION: The blood flow velocity on 4D flow MRI was significantly increased in participants who underwent GSPE, highlighting the potential of GSPE for CVI treatment.
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Hemodinámica , Insuficiencia Venosa , Humanos , Proyectos Piloto , Imagen por Resonancia Magnética/métodos , Insuficiencia Venosa/diagnóstico por imagen , Insuficiencia Venosa/tratamiento farmacológicoRESUMEN
Schwannoma is a benign and uncommon neoplasm arising from the neural crest cells. The most common tumor sites are the skin and subcutaneous tissue of the head and neck. Retroperitoneal schwannomas account for 1-3% of all schwannomas and are predominantly female. In particular, adrenal schwannoma is very rare, and due to its large size at the time of diagnosis, adrenal schwannoma is frequently misdiagnosed as adrenocortical carcinoma or pheochromocytoma. Adrenal schwannoma is difficult to distinguish it from other adrenal diseases based on imaging findings alone. In this report, we introduce the case of a huge left adrenal schwannoma.
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BACKGROUND: Whether continuous renal replacement therapy (CRRT) should be applied to critically ill patients with both acute kidney injury (AKI) and cancer remains controversial because of poor expected outcomes. The present study determined prognostic factors for all-cause in-hospital mortality in patients with AKI and cancer undergoing CRRT. METHODS: We included 471 patients with AKI and cancer who underwent CRRT at the intensive care unit of a Korean tertiary hospital from 2013 to 2020, and classified them by malignancy type. The primary outcomes were 28-day all-cause mortality rate and prognostic factors for in-hospital mortality. The secondary outcome was renal replacement therapy (RRT) dependency at hospital discharge. RESULTS: The 28-day mortality rates were 58.8% and 82% in the solid and hematologic malignancy groups, respectively. Body mass index (BMI), presence of oliguria, Sequential Organ Failure Assessment (SOFA) score, and albumin level were common predictors of 28-day mortality in the solid and hematologic malignancy groups. A high heart rate and the presence of severe acidosis were prognostic factors only in the solid malignancy group. Among the survivors, the proportion with RRT dependency was 25.0% and 33.3% in the solid and hematologic malignancy groups, respectively. CONCLUSION: The 28-day mortality rate of cancer patients with AKI undergoing CRRT was high in both the solid and hematologic malignancy groups. BMI, presence of oliguria, SOFA score, and albumin level were common predictors of 28-day mortality in the solid and hematologic malignancy groups, but a high heart rate and severe acidosis were prognostic factors only in the solid malignancy group.
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Inguinal hernia repair using prosthetic mesh is used as a standard treatment in most countries and considered superior to primary suture repair. Although prosthetic mesh has greatly reduced the risk of recurrence, the risk of mesh infection remains. A 71-year-old man was diagnosed with symptomatic bilateral inguinal hernias. He underwent successful laparoscopic transabdominal preperitoneal (TAPP) repair and was discharged the same day. After 3 days, he was diagnosed with small bowel perforation, and underwent emergency surgery. We found perforation of the distal ileum caused by the fecal impaction and severe intra-abdominal contamination. We performed subtotal colectomy and ileosigmoid anastomosis, but did not remove the prosthetic mesh because the previous TAPP site was intact. The patient recovered well post-operatively. Therefore, contaminated or dirty surgery immediately after the hernia mesh surgery could be a feasible treatment.
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Purpose: Laparoscopic posterior retroperitoneal adrenalectomy (LPRA) is a surgical method that accesses the adrenal gland through the back. The aim of this study was to report initial experience of LPRA and evaluate possibilities for surgical application. Methods: From March 2018 to December 2019, a total of 30 consecutive patients diagnosed with adrenal tumor underwent surgical treatment at Pusan National University Hospital were enrolled. Clinicopathologic features and various peri- and postoperative parameters were analyzed by retrospective medical record review. The mean age of the patients was 48.20±13.66 years. Results: The mean body mass index (BMI) was 25.50±4.30 kg/m2. Primary hyperaldosteronism was the most frequently preoperative diagnosed disease (n=13, 43.4%), followed by adrenal incidentaloma (n=8, 26.6%), Cushing syndrome (n=5, 16.6%) and pheochromocytoma (n=4, 13.3%). The mean size of postoperative adrenal tumor was 2.72±1.76 cm. The mean operating time was 162±58.14 minutes. Among the 30 patients, 28 patients underwent total adrenalectomy (93.3%) and two patients underwent cortical sparing adrenalectomy (6.7%). When LPRA was performed for patients with BMI >23.16 kg/m2, the operating time was longer than the average (P=0.016). Conclusion: LPRA was suitable and safe for patients with benign adrenal tumors. BMI, retroperitoneal fat density and postoperative adrenal weight may be related to the operating time, so they should be considered when deciding on a surgical method for adrenalectomy.
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PURPOSE: Drug-coated balloons have shown successful results in treating peripheral arterial occlusive disease. However, using multiple balloons for long femoropopliteal lesions (>15 cm) remains challenging; their safety and efficacy need to be explored. Therefore, we aimed to evaluate the outcomes of multiple drug-coated balloons for long femoropopliteal lesions in terms of the primary patency, freedom from clinically-driven target lesion revascularization, and mortality. METHODS: Between April 2015 and September 2018, 96 patients (117 limbs) who underwent balloon angioplasty using at least 2 drug-coated balloons for femoropopliteal lesions were retrospectively reviewed. Lesions were classified as Trans-Atlantic Inter-Society Consensus (TASC) classification C or D. The outcomes were analyzed using Kaplan-Meyer analysis. RESULTS: The mean age of 96 enrolled patients was 70.8 ± 9.8 years, and 83 patients were males (86.5%). Critical limb-threatening ischemia was found in 29 cases (24.8%). The mean lesion and drug-coated balloon lengths per limb were 292.3 ± 77.8 mm and 325.0 ± 70.2 mm, respectively. The technical success rate was 99.2%. A total of 82.1% were followed-up for more than 6 months. The primary patency rates at 12 and 24 months were 71.4% and 41.7%, respectively; freedom from clinically-driven target lesion revascularization rates were 96.4% and 71.0% at 12 and 24 months, respectively. The Kaplan-Meier estimate of the 2-year overall cumulative mortality rate was 20.8%. All identified mortalities appeared to be less associated with paclitaxel. CONCLUSION: Drug-coated balloons can be effectively used without drug-related mortality, even for long lesions, such as TASC classification C or D femoropopliteal lesions.