Of 193 patients with penetrating wounds of the neck, 76 had only surgical exploration; 57 had only nonsurgical exploration including one or more of the following: arteriography, bronchoscopy, laryngoscopy, esophagoscopy, and contrast-swallow esophagogram; and 60 had both surgical and nonsurgical exploration. Eighty-six patients were wounded by gunshot, 108 by stabbing. Presenting signs and symptoms were an unreliable method of predicting presence or absence of injury. Overall negative rate of surgical exploration was 50% (54% of the stabbings and 45% of the gunshots). Accuracy of nonsurgical exploration was assessed by comparing to surgery. Arteriography was 100% accurate, a combination of bronchoscopy and laryngoscopy was 100% accurate, contrast-swallow esophagogram was 90% accurate, and esophagoscopy was 86% accurate. The literature was reviewed regarding the accuracy of nonsurgical as well as surgical exploration. The one complication attributed to nonsurgical exploration was a symptomatic anemia, while there were two wound infections resulting in increased length of stay associated with negative surgical exploration. Overall mortality rate was 5.6%. The average length of stay for nonsurgical exploration only was 2.8 days, for negative surgical exploration was 4.2 days, and for positive surgical exploration was 9.5 days. Financial cost of a negative surgical exploration was $3185, while for four-vessel cerebral arteriography with panendoscopy it was $3492. More studies need to be done, particularly concerning venography and esophagoscopy. However, considering the fact that surgical exploration should by no means be considered 100% accurate, the data in this study support the fact that arteriography with panendoscopy represents an equally safe and acceptable method of exploration of penetrating wounds of the neck for stable patients without specific signs and symptoms of injury and can be expected to result in a reduced number of negative surgical explorations and their associated morbidity as well as a reduced length of hospital stay, although at a slightly higher financial cost when compared to mandatory surgical exploration.

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Problems in placement of the Kimray-Greenfield inferior vena cava filter are best averted by taking a venacavogram before attempts at insertion and by using an intravascular retrieval basket for the difficult to move, difficult to place, or misplaced filter.

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