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Awake video-assisted thoracoscopic surgery (A-VATS) enables the surgeon to penetrate the tissue via a small incision and with less contact between the lung and atmospheric pressure; postoperative respiratory functions are also less affected than in open surgery. A-VATS is a safer technique than traditional VATS and non-intubated video-assisted thoracoscopic surgery (NI-VATS) because it does not require muscle relaxants and sedoanalgesics. In particular, diagnostic VATS for pleural effusions can be easily performed over a single port using only local anaesthetic. Anaesthesia-related risks increase even more for elderly patients and those with severe comorbidities. Although there are long and risky operations in thoracic surgery, general anaesthesia is not required for some thoracic surgery procedures. However, A-VATS is limited to minor procedures. Due to regional anaesthesia and sedation, NI-VATS is a safe and effective method for many indications. The results show that this method can be applied with low mortality and morbidity.
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BACKGROUND: This study aimed to compare the outcomes of non-intubated video-assisted thoracic surgery (N-VATS) and intubated video-assisted thoracic surgery (I-VATS) for primary spontaneous pneumothorax (PSP). MATERIALS AND METHODS: We retrospectively analyzed 120 consecutive patients who underwent VATS for PSP. The patients were divided into N-VATS and I-VATS groups. Demographics, clinical characteristics, postoperative results, pain scores, follow-up results, and management were evaluated and compared between the groups. Local anesthesia and deep sedation (ketamine 2 mg/kg IV and propofol 2 mg/kg IV slow infusion) were administered under spontaneous ventilation in the N-VATS group. RESULTS: The groups did not differ significantly in terms of age, sex, American Society of Anesthesiology score, pneumothorax side, or smoking history ( P >0.05). The mean operation time, anesthesia time, oral intake opening time, and mobilization time were significantly shorter in the N-VATS group (26.04±4.61 vs. 48.26±7.82 min, 42.14±6.40 vs. 98.16±12.4 min, 2.1±0.4 vs. 8.4±1.2 h, and 4.2±0.9 vs. 2.6±1.4 between N-VATS and I-VATS, respectively; P <0.05). The surgical outcomes did not differ in terms of minor complications (12%-13%) and recurrence rates (5.1%-6.4%) during a mean follow-up period of 88.4±10.2 mo. No cases of conversion to open surgery or mortality were observed. General anesthesia and intubation were not required for any patient in the N-VATS group. CONCLUSIONS: Our results revealed no differences in minor complications or recurrence rates between groups. However, the N-VATS group had significantly shorter operation, anesthesia, oral intake opening, and mobilization times. The most important advantage of N-VATS for PSP is its fast recovery while avoiding the risks of general anesthesia and intubation. Further prospective studies with larger sample sizes are warranted.
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In general, in cases of bilateral primary pneumothorax, videoassisted thoracoscopic surgery procedures are performed sequentially on both sides. However, there are only a few reported cases of bullectomy through video-assisted thoracoscopic surgery using a transmediastinal approach for bilateral primary spontaneous pneumothorax. A 20-year-old male patient was admitted to our clinic with a right pneumothorax and developed a left pneumothorax four days later while he was under treatment. He underwent bilateral bullectomy and pleurodesis via a singleincision video-assisted thoracoscopic surgery in the supine position. The patient was discharged uneventfully within 72 h after the procedure. In conclusion, bilateral bullectomy and pleurodesis using single-incision transmediastinal access video-assisted thoracoscopic surgery may be good choices that are technically reliable and provide favorable surgical outcomes.
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PURPOSE: The aim was to compare analgesic efficacy and adverse effects of two different techniques of intravenous remifentanil administration in patients undergoing vascular; access device procedures with monitored anesthesia care. DESIGN: A randomized, single-blinded controlled study. METHODS: The patients (N = 92) were 30-80 years old and of American Society of Anesthesiologists Physical Status I-III. The first group was the continuous infusion group (group CI). Intravenous continuous remifentanil was infused after starting at a dosage of 0.1 mcg/kg/min, and the dose was raised incrementally up to 1 mcg/kg/min if required. The second group was intravenous bolus patient-controlled sedation analgesia (PCSA) with remifentanil infusion at a dose of 0.05 mcg/kg per minute and bolus of 0.1 mcg/kg with lock-out time of 3 minutes. In both groups, a bolus dose of 0.1 mcg/kg remifentanil was administered. The data evaluated include level of pain and sedation, total amount of remifentanil consumption, bolus doses of remifentanil, patient and surgeon satisfaction, hemodynamic data, and adverse events. FINDINGS: In comparison between techniques, pain and sedation scores during procedure, duration of procedure, patient and surgeon satisfaction, additional rescue medication, and bolus doses were not statistically different (P > .05). The total amount of remifentanil administered was significantly lower in the infusion group than that in the bolus group (P = .031). CONCLUSIONS: For central venous access device procedures under monitored anesthesia care, remifentanil use in both infusion and bolus techniques could provide sufficient sedation and analgesia without serious adverse effects. Total remifentanil consumption amount in infusion group is lower than that in the bolus group.
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Piperidinas , Dispositivos de Acceso Vascular , Adulto , Anciano , Anciano de 80 o más Años , Analgesia Controlada por el Paciente , Analgésicos Opioides/uso terapéutico , Humanos , Infusiones Intravenosas , Persona de Mediana Edad , RemifentaniloRESUMEN
General anesthesia, prolonged immobilization, and pain may adversely affect pulmonary function in patients undergoing prosthetic surgery. The aim of this study was to evaluate the effect of balloon-blowing exercises on pulmonary functions in patients undergoing total hip arthroplasty. The patients in the experimental group performed three sets of balloon-blowing exercises in the morning, at noon, and in the evening on the first to third days postoperatively. The increase in forced vital capacity (FVC) values between the control and experimental groups in the postoperative period was statistically significant (p < .001), in favor of the experimental group. The increase in forced expiratory volume during the first second (FEV1)/FVC ratio was found to be significantly higher in the experimental group than in the control group (p < .001). Patients who performed balloon-blowing exercises increased their FVC and FEV1/FVC ratio.
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Artroplastia de Reemplazo de Cadera/rehabilitación , Pruebas de Función Respiratoria/estadística & datos numéricos , Femenino , Volumen Espiratorio Forzado , Humanos , Inmovilización/efectos adversos , Pulmón/fisiopatología , Masculino , Persona de Mediana Edad , Periodo Posoperatorio , Capacidad VitalRESUMEN
BACKGROUND: Diaphragmatic injuries, which can be seen after penetrating thoracic traumas, have some difficulties in diagnosis. Undiagnosed small diaphragmatic lacerations may lead to serious health problems. This study aims to evaluate the role of VATS (Video Assisted Thoracoscopic Surgery) in the diagnosis and treatment of diaphragmatic injuries after penetrating thoracic traumas. METHODS: Among 268 penetrating thoracic trauma patients, we retrospectively evaluated a total of 22 patients performed VATS due to suspected diaphragmatic injury in our department between June 2008 and June 2018. RESULTS: Twenty (91%) patients were male, and two (9%) patients were female with a mean age of 28.01±6.4 (18-42) years. In 11 (50%) patients, VATS was performed on the right side and the others on the left side according to the penetrating area of trauma. In 10 (45%) patients, diaphragmatic laceration was detected and was repaired. In six cases (27%) in which diaphragmatic laceration detected with VATS, preoperative traumatic pathologies were detected radiologically. The missed injury rate was 18%. VATS had a specificity, sensitivity, positive predictive value and negative predictive value of 75%, 71.5%, 60% and 83.3%, respectively. There was no significant statistical difference between types of penetrating trauma, ages and gender of cases (p>0.05). No complication was detected during the mean follow up period of 36.2±9.3 (range 9-62) months. CONCLUSION: Our opinion is that VATS is important and feasible in hemodynamically stable patients with suspected isolated diaphragmatic laceration after penetrating thoracic trauma that cannot be determined by radiologically.
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Traumatismos Abdominales , Diafragma , Traumatismos Torácicos , Cirugía Torácica Asistida por Video , Heridas Penetrantes , Traumatismos Abdominales/diagnóstico , Traumatismos Abdominales/cirugía , Adolescente , Adulto , Diafragma/diagnóstico por imagen , Diafragma/lesiones , Diafragma/cirugía , Femenino , Humanos , Masculino , Traumatismos Torácicos/diagnóstico , Traumatismos Torácicos/cirugía , Heridas Penetrantes/diagnóstico , Heridas Penetrantes/cirugía , Adulto JovenRESUMEN
BACKGROUND: Broncho-pleural fistula (BPF) can occur after pulmonary resections as a complication with high morbidity and mortality rates. AIM: In the present study, we analyzed the relation between the possible risk factors and the two major bronchial closure techniques for BPF after lung resections, and the management methods of BPF. MATERIALS AND METHODS: A total of 26 cases detected and managed with BPF diagnosis in our clinic between September 2005 and September 2017 were evaluated retrospectively. The cases were divided into two groups: Group 1 (n=14); bronchial closure performed manually and Group 2 (n=12) bronchial closure with stapler. We analyzed cases for age, gender, body mass index, pulmonary function tests, time to fistula, total protein/albumin level, length of hospital stay, bronchial stump distance, presence of bronchial stump coverage, and the mean survivals. RESULTS: Twenty-three of the cases were males (88.5%) with a mean age of 60.03±8.7 years (range 38-73). While BPF was detected in twenty-three (88.5%) of the cases after pneumonectomy, three (11.5%) of them were after lobectomy. There was no statistically significant correlation between the two groups in gender, age, BMI, preoperative FEV1, time to fistula, total protein/albumin level, length of hospital stay, bronchial stump distance, and presence of bronchial stump coverage (chi-square test, p>0.05). As a result of the applied Kaplan-Meier analysis, we found no statistically significant difference in the mean survival rates between the two groups (p>0.05). CONCLUSIONS: Broncho-pleural fistulas still remains a major challenge. Although there is no statistical relationship between bronchial closure techniques and possible risk factors in our study, patients should be assessed in terms of possible risk factors. The management strategy for BPF varies according to individual patients' clinical condition, the size of the fistula, and development time.
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Fístula Bronquial/epidemiología , Enfermedades Pleurales/epidemiología , Neumonectomía/métodos , Complicaciones Posoperatorias/epidemiología , Grapado Quirúrgico/estadística & datos numéricos , Técnicas de Sutura/estadística & datos numéricos , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo , Técnicas de Cierre de Heridas/estadística & datos numéricosRESUMEN
OBJECTIVES: Thoracic surgeons often encounter patients with obstruction of the central airways requiring bronchoscopy to provide an open airway. The endobronchial shaver (Richard Wolf GmbH,Germany) is one of the new devices available for treatment of central airway obstruction. We report a tracheal tumor managed with this device. METHODS: We report the successful use of endobronchial shaver via rigid bronchoscopy to resecte a complex stenosis 77-year-old male patient. Patient admitted to our clinic for progressive dyspnea and stridor. The patient's medical history was cervical collar incision with resection and anastomosis 10 years ago. A mass causing a obstruction of 70% of the tracheal lumen was detected with fiberoptic bronchoscopy. So, we decided to use endobronchial shaver for immediate effect. RESULTS: Trachea was successfully recanalized with Endobronchial shaver (Richard Wolf GmbH, Germany). The patient was successfully extubated, and his dyspnea was resolved. Histopathologic examination of debris was revealed a tracheal pleomorphic adenoma. Postoperative course was uneventful and there was no evidence of recurrent or stenosis in 5 months of follow-up. CONCLUSION: The Endobronchial shaver is an excellent instrument to manage intrluminal complex stenoses including tumor and granulation tissue with advantages including efficient removal of mass without a need for separate suctioning, coagulation,and limitation in oxygenation.
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Adenoma Pleomórfico/cirugía , Obstrucción de las Vías Aéreas/cirugía , Broncoscopía/instrumentación , Tráquea/patología , Adenoma Pleomórfico/diagnóstico por imagen , Cuidados Posteriores , Anciano , Obstrucción de las Vías Aéreas/etiología , Disnea/etiología , Humanos , Masculino , Márgenes de Escisión , Ruidos Respiratorios/etiología , Tráquea/cirugía , Resultado del TratamientoRESUMEN
ABSTRACT CONTEXT: Neuroblastoma is the most common extracranial malignant solid tumor that occurs during childhood. It arises from primitive cells and is seen in the adrenal medulla and sympathetic ganglia of the sympathetic nervous system. CASE REPORT: We present a rare case of a 40-year-old man who was diagnosed with the onset of neuroblastoma arising in the mediastinum. He was treated by means of surgical resection in the superior mediastinum after neoadjuvant chemotherapy. The patient's surgical outcome was satisfactory. CONCLUSION: There are still no standard treatment guidelines for adult neuroblastoma patients. Although they have a poor prognosis, the main treatment option should be complete surgery at an early stage. This situation may become clarified through biological and genetic studies in the future.
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Humanos , Masculino , Adulto , Neoplasias del Mediastino/cirugía , Neuroblastoma/cirugía , Tomografía Computarizada por Rayos X , Resultado del Tratamiento , Quimioradioterapia AdyuvanteRESUMEN
CONTEXT: Neuroblastoma is the most common extracranial malignant solid tumor that occurs during childhood. It arises from primitive cells and is seen in the adrenal medulla and sympathetic ganglia of the sympathetic nervous system. CASE REPORT: We present a rare case of a 40-year-old man who was diagnosed with the onset of neuroblastoma arising in the mediastinum. He was treated by means of surgical resection in the superior mediastinum after neoadjuvant chemotherapy. The patient's surgical outcome was satisfactory. CONCLUSION: There are still no standard treatment guidelines for adult neuroblastoma patients. Although they have a poor prognosis, the main treatment option should be complete surgery at an early stage. This situation may become clarified through biological and genetic studies in the future.
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Neoplasias del Mediastino/cirugía , Neuroblastoma/cirugía , Adulto , Quimioradioterapia Adyuvante , Humanos , Masculino , Tomografía Computarizada por Rayos X , Resultado del TratamientoRESUMEN
BACKGROUND: This study aims to report our experience with esophageal self-expendable metal stents for the palliation of malignant dysphagia and tracheoesophageal fistulas caused by lung cancer. METHODS: Esophageal self-expandable metal stents were deployed in 56 patients (55 males, 1 female; mean age 63.5 years; range, 42 to 79 years) with malignant dysphagia due to lung cancer between August 2002 and May 2018. Of the patients, 34 had received previous chemoradiotherapy, eight only chemotherapy, and three only radiotherapy, while four had pneumonectomy. Tracheoesophageal fistula was coexisting in 12 patients (21%). Stents were inserted under fluoroscopic control over guide-wire in 28 patients and under flexible endoscopic control in the remaining 28 patients. One stent was used in all patients, except two patients with tracheoesophageal fistula, one patient who had an external compression causing downward migration of stent, and two patients who had tumor progression. RESULTS: Dysphagia improved in all patients after stent insertion. Tracheoesophageal fistula was sealed off in all patients. All patients remained asymptomatic without dysphagia symptoms during the follow-up period except for two patients who underwent gastrostomy. All patients with tracheoesophageal fistula died. Their mean duration of survival was 2.8 months. Of the patients with tracheoesophageal fistula, one died of mediastinitis, one died of esophageal perforation, while the others died of cancer-related reasons. Of the dysphagia patients without tracheoesophageal fistula, all died except for two patients. Mean duration of survival in this group was 4.3 months. CONCLUSION: Dysphagia in lung cancer may have many underlying reasons. Self-expandable metal stents may provide satisfactory relief of dysphagia symptoms with minimal morbidity after a single procedure in patients with limited lifespan.
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BACKGROUND: This study aims to compare the safety and diagnostic accuracy of awake and intubated video-assisted thoracoscopic surgery in the diagnosis of pleural diseases. METHODS: This prospective randomized study was conducted between October 2016 and April 2018 and included 293 patients (201 males, 92 females; mean age 53.59 years; range, 18 to 90 years) from five medical centers experienced in video-assisted thoracoscopic surgery. The patients were randomized into two groups as awake video-assisted thoracoscopic surgery with sedoanalgesia (non-intubated) and video-assisted thoracoscopic surgery with general anesthesia (intubated). Patients with undiagnosed pleural effusions and pleural pathologies such as nodules and masses were included. Conditions such as pain, agitation, and hypoxia were indications for intubation. The groups were compared in terms of demographic data, postoperative pain, operative time, complications, diagnostic accuracy of the procedures, and cost. All patients completed a follow-up period of at least 12 months for samples that were non-specific, suspicious for malignancy or inadequate. RESULTS: Awake video-assisted thoracoscopic surgery was performed in 145 and intubated video-assisted thoracoscopic surgery was performed in 148 patients. Pleural disease was unilateral in 83% (243/293) and bilateral in 17% (50/293) of the patients. There was no difference between the groups in terms of presence of comorbidity (p=0.149). One patient in the awake video-assisted thoracoscopic surgery group (0.6%) was converted to general anesthesia due to refractory pain and agitation. As postoperative complications, fluid drainage and pneumonia were observed in one patient in the awake video-assisted thoracoscopic surgery group (0.6%) and fluid drainage was detected in one patient in the video-assisted thoracoscopic surgery group (0.6%). There were no differences in pain intensity measured with visual analog scale at postoperative 4, 8, 12, or 24 hours (p>0.05). Distribution and rates of postoperative pathological diagnoses were also similar (p=0.171). Both operative cost and total hospital cost were lower in the awake video-assisted thoracoscopic surgery group (p<0.001, p=0.001). CONCLUSION: Our study showed that awake video-assisted thoracoscopic surgery is safe, has similar reliability and diagnostic accuracy compared to video-assisted thoracoscopic surgery performed under general anesthesia, and is less costly. Awake video-assisted thoracoscopic surgery can be the first method of choice in all patients, not only in those with comorbidities.
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INTRODUCTION: Descending Necrotizing Mediastinitis (DNM) is the fatal form of mediastinitis and mostly develops as a complication of peritonsillar abscesses or dental-odontogenic infections. The aim of this study is to evaluate clinical and surgical feature of the patients with DNM who were managed in our clinic. METHODOLOGY: We retrospectively evaluated 13 consecutive patients with the diagnosis of DNM between February 2005 and February 2018. All of them had the typical physical appearance, history and radiological findings. RESULTS: Ten (77%) patients were male, 3 (23%) patients were female with a median age of 48.2 (18-76 years). All patients underwent Cervico-Mediastinal Drainage (CMD) with debridement of the necrotic and infected tissues. Other supplimantary surgical procedures were tube thoracostomy (n = 8), VATS mediastinal drainage (n = 4), tracheostomy (n = 2) and thoracatomy (n = 1). The median time to diagnosis of DNM, tube drainage (inserted after CMD) removal time, tube thoracostomy removal time, lenght of hospital stay were 1.8 (range 1-4) days, 13.6 (range 10-20), 12.6 days (range 10-27) and 21.5 days (range 15-30), respectively. Appropriate and potent antibiotics were used according to the fever-CRP response with the consultation on infectious disease specialist. Two patients were lost due to fulminant sepsis (n = 1) and massive cervical haemorrhage (n = 1). Overall mortality rate was 15%. Complications were recorded in 6 patients (46%). CONCLUSIONS: The critical point in the management of DNM is the correct diagnosis, rapid surgical intervention with antibiotherapy and close follow-up for possible complications. We concluded that the combination of minimally invasive management as VATS-tube thoracostomy with CMD is the most appropriate surgical interventions.
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Mediastinitis/microbiología , Mediastinitis/cirugía , Adolescente , Adulto , Anciano , Antibacterianos/uso terapéutico , Drenaje/métodos , Femenino , Humanos , Masculino , Mediastinitis/tratamiento farmacológico , Mediastinitis/mortalidad , Mediastino/patología , Persona de Mediana Edad , Necrosis/cirugía , Estudios Retrospectivos , Toracostomía , TraqueostomíaRESUMEN
Anterior mediastinal, well-defined, ametabolic cystic lesion was detected incidentally in a 69-year-old male patient. Uniportal videothoracoscopic surgery was performed to the lesion for diagnosis and treatment purposes. Histopathological findings were in accordance with "benign cystic mesothelioma". Benign cystic mesothelioma has been defined in the abdomen, particularly among females of reproductive age. Benign cystic mesothelioma originating from mediastinal pleura is very rare entity and was not defined in the literature. To our knowledge, we present this rare and interesting mediastinal cystic lesion for the first time in the literature.
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BACKGROUND: This study aims to present our experience with patients who were performed totally implantable venous port catheter. METHODS: Demographics-clinical features, surgical results and complications of 3,000 patients (1,824 males, 1,176 females; mean age 61.04±11.5 years; range, 18 to 88 years) who were performed totally implantable venous port catheter between March 2005 and March 2017 were evaluated retrospectively. Totally implantable venous port catheter indications, complications, catheter duration of stay, reasons for catheter removal and statistical analysis information were reported in detail by reviewing patient records. RESULTS: Of the cases, the Seldinger method was used in 98%, 1% (n=36) had the catheter inserted with superficial Doppler ultrasonography, while the veins were not found in 1% (n=29) and these patients were excluded from the study. Totally implantable venous port catheter was inserted via right internal jugular vein in 2,095 patients (70%), via right subclavian vein in 470 patients (16%), via left internal jugular vein in 290 patients (10%), and via left subclavian vein in 106 patients (3%). Mean duration of stay for totally implantable venous port catheter was 46.7 months (range, 1 to 78 months). Complications were detected in a total of 288 patients (9.6%), 153 (5.1%) being early and 135 (4.5%) being late. The most common oncologic indication was colorectal cancer. The rate of port removal was 298/3,000 (9.9%) and the main reasons were infection, thrombosis, pain, and end of treatment. Totally implantable venous port catheter was required to be inserted twice in 33 patients (1%) and thrice in 14 patients (0.5%). Totally implantable venous port catheter had malposition in eight patients and all were revised successfully with over the guide method. CONCLUSION: Totally implantable venous port catheter may increase the quality of life in cancer patients. Despite possible complications, totally implantable venous port catheter is safe and comfortable for long-term intravenous treatment. Possible complications may be prevented or managed when totally implantable venous port catheter is performed by surgeons with adequate experience.
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Bochdalek diaphragmatic hernia is generally congenital and rarely diagnosed incidentally in adults. A 21-year-old man presented with a diaphragmatic hernia suspected during routine examination. Chest radiography showed the colon and small intestine herniating into the left hemithorax and the ileocecal appendix in the superior thoracic apertura. We performed a thoracoabdominal incision and the stomach, omentum, colon, and small intestine were retracted back into the abdomen. The diaphragm was repaired with Prolene mesh following adhesiolysis. Two months later, there was no recurrence but no lung expansion. The space was filled with effusion, but the patient had no complaints.
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Diafragma/cirugía , Hernias Diafragmáticas Congénitas/diagnóstico , Hernias Diafragmáticas Congénitas/cirugía , Laparotomía/métodos , Pulmón/patología , Adulto , Diafragma/diagnóstico por imagen , Hernias Diafragmáticas Congénitas/complicaciones , Hernias Diafragmáticas Congénitas/diagnóstico por imagen , Humanos , Pulmón/diagnóstico por imagen , Masculino , Radiografía , Resultado del Tratamiento , Adulto JovenRESUMEN
OBJECTIVE: Endoscopic thoracic sympathectomy or sympathicotomy, for the treatment of palmar, axillary, and plantar hyperhidrosis, is generally performed at one or two levels, between T2 and T5. Compensatory sweating (CS) is a severe and undesirable side effect of this procedure. Here, we describe the success of treatment and degree of postoperative CS in sympathicotomy patients. SUBJECTS AND METHODS: This study included 80 patients treated by uniportal (5-mm) thoracoscopic sympathicotomy (electrocautery) for primary hyperhidrosis over a 6-year period (2007-2013). Sympathicotomy was performed bilaterally at T2 for blushing (n=2), T2-T3 for palmar-only hyperhidrosis (n=34), T2-T4 for palmar and axillary hyperhidrosis (n=39), and T3-T4 for axillary-only hyperhidrosis (n=5). Outcome was assessed 2 weeks postsurgery at the clinic and annually thereafter by telephone questionnaire. Mean follow-up time was 35.2±23.3 months. Questionnaires assessed patients' degree of sweating, postoperative CS, overall satisfaction, and complications. RESULTS: Seventy-one patients (88.7%) were very satisfied, whereas only 9 (11.3%) were dissatisfied with the procedure. Complication incidence was 7.5%, and CS occurred in 77.5% of patients. Therapeutic success rate was 97.5%; complete relief of hyperhidrosis was achieved in 72 (90%) patients, whereas 8 (10%) experienced recurrence. CONCLUSIONS: CS is a frequent side effect of thoracoscopic sympathicotomy. We recommend all patients undergoing this procedure should be warned of the potential risk of developing severe CS.
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Hiperhidrosis/cirugía , Complicaciones Posoperatorias , Sudoración , Simpatectomía/métodos , Toracoscopía/métodos , Adolescente , Adulto , Femenino , Estudios de Seguimiento , Humanos , Enfermedad Iatrogénica , Masculino , Encuestas y Cuestionarios , Simpatectomía/efectos adversos , Toracoscopía/efectos adversos , Resultado del Tratamiento , Adulto JovenRESUMEN
BACKGROUND: The aim of this study was to determine the accuracy and the role of the sentinel lymph node (SLN) in patients with non-small cell lung cancer. MATERIAL AND METHOD: This study was carried out on 25 consecutive patients [M/F=23(:)2, mean age 62.84 (47-81) years] with operable non-small cell lung cancer (NSCLC). At thoracotomy, 0.25 mCi of Technecium(99m) (99mTc) nanocolloid was injected into each quadrant of lung tissue surrounding the tumor. Before resection scintigraphic measurements of lymph nodes were obtained in vivo and ex vivo using a hand-held gamma probe counter and the findings were compared with histological examination. SLN was defined as the node with the highest count rate. RESULTS: SLNs were identified in 23 of 25 patients (92%) with a total number of 52 SLNs. Seven of 52 (13%) of these SLNs were positive for metastatic involvement after histological and immunohistochemical examination. In two patients (8%), SLNs could not be found. The sensitivity and specificity were 55% and 86% respectively. CONCLUSIONS: This technic is a good method for identifying the first site of potential nodal metastases of NSCLC. These preliminary results demonstrate this procedure is feasible, but the detection rate has to be improved.