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Injury. 2013 Sep;44(9):1183-5. doi: 10.1016/j.injury.2013.03.027. Epub 2013 Apr 23.

Average chest wall thickness at two anatomic locations in trauma patients.

Author information

1
Section of Trauma and Acute Care Surgery, Department of Surgery, George Washington University, United States.

Abstract

BACKGROUND:

Needle thoracostomy is the emergent treatment for tension pneumothorax. This procedure is commonly done using a 4.5cm catheter, and the optimal site for chest wall puncture is controversial. We hypothesize that needle thoracostomy cannot be performed using this catheter length irrespective of the site chosen in either gender.

METHODS:

A retrospective review of all chest computed tomography (CT) scans obtained on trauma patients from January 1, 2011 to December 31, 2011 was performed. Patients aged 18 and 80 years were included and patients whose chest wall thickness exceeded the boundary of the images acquired were excluded. Chest wall thickness was measured at the 2nd intercostal (ICS), midclavicular line (MCL) and the 5th ICS, anterior axillary line (AAL). Injury severity score (ISS), chest wall thickness, and body mass index (BMI) were analyzed.

RESULTS:

201 patients were included, 54% male. Average (SD) BMI was 26 (7)kg/m(2). The average chest wall thickness in the overall cohort was 4.08 (1.4)cm at the 2nd ICS/MCL and 4.55 (1.7)cm at the 5th ICS/AAL. 29% of the overall cohort (27 male and 32 female) had a chest wall thickness greater than 4.5cm at the 2nd ICS/MCL and 45% (54 male and 36 female) had a chest wall thickness greater than 4.5cm at the 5th ICS/AAL. There was no significant interaction between gender and chest wall thickness at either site. BMI was positively associated with chest wall thickness at both the 2nd and 5th ICS/AAL.

CONCLUSION:

A 4.5cm catheter is inadequate for needle thoracostomy in most patients regardless of puncture site or gender.

KEYWORDS:

Needle thoracostomy; Tension pneumothorax

PMID:
23618786
DOI:
10.1016/j.injury.2013.03.027
[Indexed for MEDLINE]

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