[Fifty years of services of biomedical information in health documentation centers in Puebla, Mexico].

Librarian and information services focused on supporting research, teaching, and health care are vital for the generation of new knowledge and its application in health care, both by staff and students, helps to improve the quality of medical care. Therefore, in this article we expose an historical and social tour of 50 years of the Instituto Mexicano del Seguro Social's library services in Puebla. From 1964 to 2014 occurred many events in the development of these services in our area, from the creation of a small space in the basement, to the implementation of spaces created deliberately to provide dignified service to all users, which is why this historical sketch is here as an acknowledgement to the first librarians who contributed to the training of specialists in Mexico.

[Spinal tuberculosis: experience in a third level medical facility in Puebla, Mexico].

Background: Pott's disease or spinal tuberculosis (STB) is a serious infectious disease, caused by the migration of the bacterium Mycobacterium tuberculosis to the spine. Knowing this disease is a priority for all the physicians. The objective was to show the experience in patients with STB treated in a third level hospital in Puebla, Mexico.

[Evaluation of patients with humeral midshaft fractures treated with DCP plate vs. intramedullary nail UHN].

Background: Humeral midshaft fractures should be surgically managed, so the knowledge of functionality, bone healing and pain of these treatments is required to obtain the expected results. The aim of this paper is to compare the results of patients with humeral midshaft fracture operated with intramedullary nails UHN vs. DCP plate.

[Functional and radiological evaluation of patients with midshaft clavicle fracture surgically treated].

Background: Functional and radiographic evaluation at midshaft clavicle fractures is better with surgical than conservative management. The aim of this paper is to describe the functional and radiological evaluation of patients with midshaft clavicle fracture surgery at the Hospital de Traumatología y Ortopedia of the Instituto Mexicano del Seguro Social.

Methods: Descriptive studies, conducted during the period June 2014 to June 2015, patients undergoing surgical treatment for midshaft clavicle fracture were included.

[Clinical analysis of 200 cases of idiopathic thrombocytopenic purpura].

Background: Idiopathic thrombocytopenic purpura is characterized by extravasation of blood into the subcutaneous tissue, mucous membranes or skin; it generates bleeding manifestations as ecchymotic lesions, petechiae of sudden onset, epistaxis, bleeding from the gums, and serious complications such as intracranial hemorrhage. This condition is due to a platelet destruction mediated by antibodies directed against the surface of the platelets. The objective is to present the clinical characteristics of patients with idiopathic thrombocytopenic purpura in a third level medical facility in Puebla, México.

[Clinical results of hallux valgus minimally surgery].

Introduction: Hallux valgus is a frequent cause of pain, mainly in female population, characterized by deformity of the foot and important functional consequences. Open surgical techniques require relatively extensive incisions. Recently we see a tendency to use less invasive techniques with shorter hospitalization periods and better recovery.