[Lung cancer at a Chilean public hospital].

Background: Lung cancer is the world's leading cause of cancer death.

Aim: To describe the clinical, staging and survival characteristics of lung cancer in a public Chilean regional hospital.

Material And Methods: Analysis of a prospective database of a thoracic surgery service, retrieving histologically confirmed lung cancer cases from January 2010 to December 2019 and reviewing their medical records.

[Reconstruction of aortic valve using Ozaki technique. Report of two cases].

Prosthetic valve replacement is the standard treatment for aortic valvulopathy. Due to the structural valve deterioration of biological prosthesis and the anticoagulation requirements of mechanical valves, the repair of aortic valve disease is receiving more attention in recent years. The Ozaki technique consists in the reconstruction of a trileaflet valve using autologous pericardium.

[Features of pulmonary hydatidosis in 368 patients admitted to a regional hospital].

Background: Lungs are the second location in frequency of hydatidosis or cystic echinococcosis.

Aim: To characterize the clinical manifestations, diagnosis, findings and treatment of patients hospitalized for a pulmonary hydatid cyst (PHC).

Materials And Methods: Review of databases, medical records, operation notes and death certificates of patients admitted to a Chilean regional hospital with a PHC.

[Primary cardiac tumors. Experience in 72 cases].

Background: Primary cardiac tumors have a low incidence, and their presentation form and clinical course are not well known.

Aim: To describe the characteristics, treatment, follow up and survival of patients with primary cardiac tumors (PCT).

Material And Methods: Review of all surgical procedures for PCT performed between 1984 and 2019 in a regional general hospital.

[Embolic stroke secondary to a mitral valve fibroelastoma. Case report].

Embolic stroke secondary to cardiac tumors is uncommon. However, 25-30% of cardiac tumors may cause systemic emboli. We report a 29-year-old male consulting for a sudden episode of aphasia and right hemiparesis, compatible with infarct of the left middle cerebral artery territory.

[Early and late results of coronary artery bypass grafting in coronary artery disease in Concepcion, Chile].

Background: Coronary artery bypass grafting (CABG) is the best treatment for a large group of patients with coronary artery disease.

Aim: To describe early and late results of patients treated with CABG at our Center.

Patients And Methods: Revision of data bases, surgical protocols and clinical registers of patients operated between January 2006 and December 2008.

[Thoracic trauma. Experience of three decades].

Background: Trauma is the leading cause of death in young patients and thoracic trauma (TT) is responsible for 25-35% of trauma deaths.

Aim: To describe and compare features, trauma severity indexes and morbidity of patients admitted for TT in the past three decades.

Material And Methods: Review of a TT database, operative notes and medical records of patients.

[Results of extended transsternal thymectomy for Myasthenia gravis. Experience with 58 patients].

Background: Thymectomy improves clinical outcomes and decreases the need for medical treatment in patients with myasthenia gravis (MG).

Aim: To describe the immediate and long-term results of extended transsternal thymectomy (ETT) in patients with MG.

Material And Methods: A review of databases, surgical protocols, clinical records and interviews of patients subjected to extended transsternal thymectomy for MG between 1990 and 2016.

[Meta-analysis of coronary artery bypass surgery compared to percutaneous transluminal angioplasty with stent in diabetic patients].

Background: Diabetic patients are a group of primary interest in the study of myocardial revascularization.

Aim: To compare coronary artery bypass grafting surgery (CABG) and percutaneous angioplasty with stents (PCI-S) in diabetic patients with coronary three-vessel or left main coronary artery disease.

Material And Methods: Meta-analysis of MEDLINE randomized controlled studies comparing CABG and PCI-S in diabetic patients.

[Spontaneous pneumomediastinum. Review of eight cases].

Background: Hamman syndrome or spontaneous pneumomediastinum is uncommon and its clinical manifestations are chest pain, dyspnea and subcutaneous emphysema.

Aim: To report a series of patients with spontaneous pneumomediastinum.

Material And Methods: Medical records of patients with the diagnosis of pneumomediastinum, managed between 2002 and 2007 in a public hospital, were retrieved and reviewed.

[Spontaneous retroperitoneal hematoma. Report of one case].

Spontaneous retroperitoneal hematoma is a rare condition. We report a 78 year-old man with progressive pain in his right thigh and hip lasting one week. The pain subsequently was associated with abdominal pain in the right lower quadrant.