Dirk R. Thompson

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This paper describes a portable, multichannel skeletal muscle stimulator developed for use in research in skeletal muscle cardiac assist (SMCA). The primary features of the stimulator are that it allows selective stimulation through multiple nerve-cuff electrodes and that arbitrary voltage pattems can be delivered to each electrode. The electrodes are(More)
This report describes five patients who developed pneumothorax following misplacement of a nasoenteric feeding tube. Three of the patients required tube thoracostomy. Of these, one was subsequently discharged; one required two chest tubes, yet died 2 days later; the third patient developed a chronic empyema that ultimately required chest wall reconstruction(More)
Background: Aortomyoplasty is a treatment for heart failure in which the latissimus dorsi muscle is wrapped around the aorta and stimulated to contract during diastole to provide chronic diastolic counterpulsation. We hypothesized that the manner in which the latissimus dorsi muscle is wrapped around the aorta determines the effectiveness of(More)
BACKGROUND Aortomyoplasty (AMP), a procedure in which the latissimus dorsi muscle (LDM) is wrapped around the aorta and stimulated during diastole, is a potential method of chronic counterpulsation. Counterpulsation by the intraaortic balloon pump (IABP) is a proven treatment for ischemic coronary syndrome and heart failure but cannot be used chronically.(More)
Fulminant hepatic failure carries a high mortality regardless of etiology. Liver transplantation may be lifesaving. Hepatic invasion by malignant lymphoma is a rare cause of liver failure, but one that is potentially responsive to treatment. Lymphoma (non-Hodgkin's or Hodgkin's) should be included in the differential diagnosis of fulminant hepatic failure(More)
Positive pressure ventilation (PPV) can increase intracranial pressure (ICP) in patients with closed head injuries. This adverse effect may be secondary to elevated peak airway pressures. High-frequency jet ventilation (HFJV) has been shown to produce lower peak airway pressures and decrease ICP in experimental animals. This report describes a patient with(More)
The contractile power of the latissimus dorsi muscle (LDM) is used in skeletal muscle cardiac assist (SMCA) to augment the blood pumping ability of a failing heart. The LDM has three anatomically distinct, independently innervate segments—the transverse, oblique, and lateral. There are potential advantages to selectively stimulating these LDM regions. We(More)
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