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Biomedical subjects

Geoffrey M Silver

Publications and source records attributed to Geoffrey M Silver.

3 recordsLinked to original sources

Inferior vena cava endograft to control surgically inaccessible hemorrhage.

Open surgical repair of retrohepatic inferior vena cava (IVC) injuries can be technically difficult, usually requiring extensive hepatic mobilization and associated with significant morbidity. We report a case of uncontrolled hemorrhage from the retrohepatic inferior vena cava (IVC), which occurred during attempted resection of a large retroperitoneal leiomyosarcoma, and was successfully managed using an endoluminal stent-graft. This case demonstrates that endoluminal grafts can be successfully applied to control life-threatening hemorrhage arising from lesions in the retrohepatic IVC that are otherwise extremely difficult or inaccessible to direct surgical repair.

Adult↗

Reducing trauma payment denials with computerized collaborative billing.

BACKGROUND: Trauma care demands constant physician availability, resulting in rotational coverage systems. Third-party payors consider separate trauma surgeon bills as originating from the same individual. Trauma surgeons may be unaware of their colleagues' billing history on jointly managed patients. Not all postoperative procedures and evaluation and management services are denied by global surgical package rules. We investigated whether a networked billing program designed to crosscheck for global package coding concerns would reduce payment denials. METHODS: A networked relational database was created for trauma surgeons to enter billable encounters, displaying global periods and operative diagnoses while prompting for postoperative modifiers. Denials were compared for equivalent time periods before and after program initiation. RESULTS: Payment denials fell from 361 to 16 for "bundled" evaluation and management services and from 55 to 13 for bundled postoperative procedures. Time spent on billing decreased and legibility improved. Overall savings totaled $183,404. CONCLUSION: Collaborative billing can improve payments for professional trauma care.

Forms and Records Control↗

A survey of airway and ventilator management strategies in North American pediatric burn units.

A survey was used to gather information regarding airway management patterns in thermally injured children. North American pediatric burn centers listed by the American Burn Association were sent a survey designed to examine patterns of pediatric airway management in children with acute respiratory failure. The sample population means for the number of patients ventilated more than 48 hours and the number of patients ventilated more than 48 hours with inhalation injury were used to separate centers into large and small pediatric burn centers. Small pediatric burn centers had less than 50 patients who were intubated during a 5-year period. A five-point nominal scale was used to facilitate statistical analysis. Twenty-five pediatric burn centers included in the analysis estimated that 11,494 children were admitted during the 5-year period. There was no statistically dominant ventilator mode being used in the setting of acute respiratory failure identified by this survey. Large pediatric burn centers reported more frequent use of cuffed endotracheal tubes and more frequent change from an uncuffed to a cuffed endotracheal tube in patients who were difficult to ventilate because of an excess leak. Large pediatric burn centers reported a higher prevalence of tracheomalacia then small pediatric burn centers. Steroids were used by most centers before extubation in patients with persistent airway edema. No centers reported complications from steroid use. There is lack of clear consensus regarding the application of various ventilator modes in the setting of acute respiratory failure irrespective of center volume. There were divergent of practice patterns between large and small pediatric burn centers regarding the use of cuffed endotracheal tubes and the timing of tracheostomy. There was agreement between large and small pediatric burn centers in tracheostomy use in children older the age of 7 and the use of steroids as an adjunct to extubation in patients with lingering airway edema. Pediatric burn patients may benefit from clinical trials that clarify the advantages and disadvantages of various ventilator modes, the use of cuffed tubes, and the timing of tracheostomy.

Adolescent↗