Building upon studies on the mechanism of active compression-decompression (ACD) cardiopulmonary resuscitation, a new inspiratory impedance threshold valve has been developed to enhance the return of blood to the thorax during the decompression phase of CPR. Use of this device results in a greater negative intrathoracic pressure during chest wall decompression. This leads to improved vital orga...

BACKGROUND If it is possible, endoscopic decompression for acute left-sided colorectal obstruction will be effective in critically ill patients. This study was to evaluate the techniques and outcomes of transanal drainage tube placement following urgent colonoscopy in management of acute left-sided colorectal obstruction. METHODS From January 2000 to December 2009, 69 consecutive patients (36...

Vascular bubble models, which present a realistic biophysical approach, hold great promise for devising suitable diver decompression procedures. Nanobubbles were found to nucleate on a flat hydrophobic surface, expanding to form bubbles after decompression. Such active hydrophobic spots (AHS) were formed from lung surfactants on the luminal aspect of ovine blood vessels. Many of the phenomena o...

The Edgebreaker compression [16, 11] is guaranteed to encode any unlabeled triangulated planar graph of t triangles with at most 1.84t bits. It stores the graph as a CLERS stringa sequence of t symbols from the set {C,L,E,R,S}, each represented by a 1, 2 or 3 bit code. We show here that, in practice, the string can be further compressed to between 0.91t and 1.26t bits using an entropy code. Th...

The Edgebreaker compression (Rossignac, 1999; King and Rossignac, 1999) is guaranteed to encode any unlabeled triangulated planar graph of t triangles with at most 1.84t bits. It stores the graph as a CLERS string— a sequence of t symbols from the set {C,L,E,R,S}, each represented by a 1, 2 or 3 bit code. We show here that, in practice, the string can be further compressed to between 0.91t and ...

Complications following spinal surgery can range from simple wound infection to complete paralysis. Intraoperative checks have been introduced to account for all the instruments and materials used and help minimize surgeon-related complications. We report a case of a broken osteotome tip within the spinal canal following a routine posterior decompression of the lumbar spine.

PURPOSE Simple decompression of the ulnar nerve has outcomes similar to anterior transposition for cubital tunnel syndrome; however, there is no consensus on the proper technique for patients with an unstable ulnar nerve. We hypothesized that 1) simple decompression or anterior ulnar nerve transposition, depending on nerve stability, would be effective for cubital tunnel syndrome and that 2) th...

Graves' disease may result in significant proptosis that causes visual loss. This has been traditionally managed surgically by external bony skeleton decompression. Tran nasal endoscopic orbital decompression is as a new technique that avoids the need for cutaneous or gingival incisions. Decompression of the medial orbital wall can be performed up to the anterior wall of the sphenoid sinus. Thi...