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Biomedical subjects

A Taira

Publications and source records attributed to A Taira.

At least 271 records · Page 15Linked to original sources

Sternal dehiscence: "delayed primary closure" for complicated cases.

"Delayed primary closure" of the wound in cases of sternal dehiscence is reported. This technique includes a thorough debridement, continuous antibiotic lavage, and air tight force suction of the debrided space, using a portable wound suction unit. Healing process of the complicated sternal dehiscence is thus facilitated. A discussion is made of reasons for failure and missed chances in "early primary closure" of the sternal dehiscence.

Cardiac Surgical Procedures↗

Ruptured venous aneurysm of the persistent left superior vena cava.

A 24-year-old female with venous aneurysm of the persistent left superior vena cava and the left subclavicular vein has been reported. Spontaneous closed rupture of the venous aneurysm, secondary to thrombosed obstruction, occurred into the posterior mediastinum and the extrapleural thoracic wall. The symptom was aggravated rapidly because of absent communicating vein between the persistent left superior and the right superior venae cavae. Surgical intervention was not considered for the reason of difficulty in approach. Fortunately an open rupture of the venous aneurysm into the thoracic cavity was not seen. A conservative treatment for 4 months resulted in a successful outcome with absorption of a large hematoma and building of collateral circulation.

Adult↗

Direct flowmetry of the mitral valve. A simple approach in the experimental study.

A flow probe for direct measurement of blood flow of the mitral valve was devised. It was useful for acute experiment, particularly concerning pathophysiology of the mitral valve function. Insertion of the probe into the left atrium and fixation to the left atrial wall and thus to the mitral orifice were readily and satisfactorily performed without disturbance of blood flow and valvular function. It must also be emphasized that support with cardiopulmonary bypass was not necessary at the time of insertion of the probe. Effectiveness of the procedure has been confirmed through simultaneous observation of echocardiogram and mitral blood flow of the dog's heart with ruptured chordae tendineae.

Animals↗