Study Results
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View full resultsBasic Information
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TERMINATED
NA
24 participants
INTERVENTIONAL
2010-09-30
2014-08-31
Brief Summary
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Detailed Description
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The standard therapy of injuries to the chest wall, including flail chest has been effective analgesia, pulmonary toilet with postural drainage and aggressive chest physical therapy. Despite these measures, flail chest patients often do not do well. Early operative fixation (surgical anchoring and bracing of bones) to stabilize the chest wall and restore pulmonary dynamics has always been an attractive option. With improvements in patient selection, availability of good modern anesthesia and critical care, and mechanical fixation devices, small studies and several case reports testify to the feasibility of the concept and possible short and long term benefits. All but one small institutional study are retrospective in nature limiting the generalizability of the conclusions. In that small single institutional prospective trial in which patients with flail chest were randomized to either early operative fixation or standard non-operative therapy, patients randomized to early operative fixation showed significant improvements in both short- and long-term health outcomes resulting in lower in-hospital costs in the surgically treated group. Despite these very impressive results, although prospective, it is one study with a small number of patients from a single institution. The question of the benefits of operative fixation can only be conclusively answered by a larger multi-institutional prospective randomized study.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
NONE
Study Groups
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Operative rib fixation
Randomized subjects will be operated upon within 72 hours of ventilation (early fixation) to stabilize the stove-in segment. Where all fractured ribs are accessible and the number of fractured ribs is few, stabilization of all fractured ribs would be the goal. However, where fractured ribs are in areas difficult to access, enough ribs, based on surgeon judgment, would be fixed to stabilize the stove-in segment. Post-operatively, the patients would receive the standard of care, similar to what is outlined for the non-operative arm.
Operative fixation will be accomplished utilizing the MatrixRIB Fixation System (Synthes CMF, West Chester, PA, USA) according to the device's instructions for use. Sites will obtain the product based on their medical center's normal purchasing practices.
operative rib fixation
Randomized subjects will be operated upon within 72 hours of ventilation (early fixation)to stabilize the stove-in segment using a rib fixation system.
operative rib fixation surgery
Non-operative arm
Randomized subjects to receive standard of care therapy for blunt thoracic trauma (as per each participating institution's own protocols):
a. Ventilatory support b.Timing of extubation (removal from ventilator): c.Analgesia: institution should provide adequate analgesia utilizing available resources including oral, parenteral, epidural, local nerve blocks etc., d.Chest physical therapy, e.Postural drainage, f.Incentive spirometry - after extubation.
No interventions assigned to this group
Interventions
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operative rib fixation
Randomized subjects will be operated upon within 72 hours of ventilation (early fixation)to stabilize the stove-in segment using a rib fixation system.
operative rib fixation surgery
Eligibility Criteria
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Inclusion Criteria
2. "Stove-in chest" to encompass both
1. Unilateral flail chest (\>3 ribs fractured at two places) or
2. Contiguous rib fractures with at least 2 ribs pushed in \> the rib diameter of the pushed in rib
3. Mechanically ventilated
Exclusion Criteria
2. Stove-in chest patients that do not require early (less than or equal to 48 hours of injury) ventilatory support
3. Bilateral flail chest
4. Sternal flail
5. P/F ratio \< 200:1 over a period of greater than or equal to 6 hours while on the ventilator.
6. Other injuries that will likely prolong tracheal intubation and mechanical ventilation eg significant head injury resulting in low GCS (Glasgow Coma Score, a scale used to assess the central nervous system in patients who have undergone trauma), spinal cord injury resulting in paralysis of some or all of the respiratory muscles etc. These are merely examples. It is in the opinion of the investigator/surgeon what injuries would prolong tracheal intubation.
7. Any contra-indication to surgery including severe immunosuppression or severe chronic disease making elective surgery dangerous in the opinion of the surgeon
8. Inability to proceed with any aspect of critical care due to personal beliefs, living will etc eg non acceptance of blood products
9. Inability to obtain informed consent.
10. Subject's refusal for follow up
11. Pregnant women
12. Prisoners
13. Any other reason for which the potential subject is not a good candidate, in the opinion of the investigator.
If the site investigator believes that a patient is a good candidate for the study (i.e. requires ventilation primarily due to altered chest wall mechanics) but fails to meet all criteria, site may contact Dr Ajai Malhotra to see if a waiver will be granted.
21 Years
75 Years
ALL
No
Sponsors
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Synthes Inc.
INDUSTRY
Virginia Commonwealth University
OTHER
Responsible Party
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Principal Investigators
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Ajai K Malhotra, MD
Role: PRINCIPAL_INVESTIGATOR
Virginia Commonwealth University
Locations
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Trauma Research & Education Foundation of Fresno
Fresno, California, United States
Carolinas Medical Center
Charlotte, North Carolina, United States
Wake Forest University Health Sciences
Winston-Salem, North Carolina, United States
The Board of Regents of the University of Oklahoma
Oklahoma City, Oklahoma, United States
The University of Tennessee
Knoxville, Tennessee, United States
Eastern Virginia Medical School
Norfolk, Virginia, United States
Virginia Commonwealth University
Richmond, Virginia, United States
Countries
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References
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Nirula R, Allen B, Layman R, Falimirski ME, Somberg LB. Rib fracture stabilization in patients sustaining blunt chest injury. Am Surg. 2006 Apr;72(4):307-9. doi: 10.1177/000313480607200405.
Baker CC, Oppenheimer L, Stephens B, Lewis FR, Trunkey DD. Epidemiology of trauma deaths. Am J Surg. 1980 Jul;140(1):144-50. doi: 10.1016/0002-9610(80)90431-6.
Shorr RM, Mirvis SE, Indeck MC. Tension pneumopericardium in blunt chest trauma. J Trauma. 1987 Sep;27(9):1078-82. doi: 10.1097/00005373-198709000-00021.
LoCicero J 3rd, Mattox KL. Epidemiology of chest trauma. Surg Clin North Am. 1989 Feb;69(1):15-9. doi: 10.1016/s0039-6109(16)44730-4.
Shackford SR, Smith DE, Zarins CK, Rice CL, Virgilio RW. The management of flail chest. A comparison of ventilatory and nonventilatory treatment. Am J Surg. 1976 Dec;132(6):759-62. doi: 10.1016/0002-9610(76)90453-0.
Relihan M, Litwin MS. Morbidity and mortality associated with flail chest injury: a review of 85 cases. J Trauma. 1973 Aug;13(8):663-71. doi: 10.1097/00005373-197308000-00001. No abstract available.
Landercasper J, Cogbill TH, Lindesmith LA. Long-term disability after flail chest injury. J Trauma. 1984 May;24(5):410-4. doi: 10.1097/00005373-198405000-00007.
Sankaran S, Wilson RF. Factors affecting prognosis in patients with flail chest. J Thorac Cardiovasc Surg. 1970 Sep;60(3):402-10. No abstract available.
Menard A, Testart J, Philippe JM, Grise P. Treatment of flail chest with Judet's struts. J Thorac Cardiovasc Surg. 1983 Aug;86(2):300-5.
Paris F, Tarazona V, Blasco E, Canto A, Casillas M, Pastor J, Paris M, Montero R. Surgical stabilization of traumatic flail chest. Thorax. 1975 Oct;30(5):521-7. doi: 10.1136/thx.30.5.521.
Thomas AN, Blaisdell FW, Lewis FR Jr, Schlobohm RM. Operative stabilization for flail chest after blunt trauma. J Thorac Cardiovasc Surg. 1978 Jun;75(6):793-801. No abstract available.
Landreneau RJ, Hinson JM Jr, Hazelrigg SR, Johnson JA, Boley TM, Curtis JJ. Strut fixation of an extensive flail chest. Ann Thorac Surg. 1991 Mar;51(3):473-5. doi: 10.1016/0003-4975(91)90871-m.
Engel C, Krieg JC, Madey SM, Long WB, Bottlang M. Operative chest wall fixation with osteosynthesis plates. J Trauma. 2005 Jan;58(1):181-6. doi: 10.1097/01.ta.0000063612.25756.60. No abstract available.
Lardinois D, Krueger T, Dusmet M, Ghisletta N, Gugger M, Ris HB. Pulmonary function testing after operative stabilisation of the chest wall for flail chest. Eur J Cardiothorac Surg. 2001 Sep;20(3):496-501. doi: 10.1016/s1010-7940(01)00818-1.
Ahmed Z, Mohyuddin Z. Management of flail chest injury: internal fixation versus endotracheal intubation and ventilation. J Thorac Cardiovasc Surg. 1995 Dec;110(6):1676-80. doi: 10.1016/S0022-5223(95)70030-7.
Voggenreiter G, Neudeck F, Aufmkolk M, Obertacke U, Schmit-Neuerburg KP. Operative chest wall stabilization in flail chest--outcomes of patients with or without pulmonary contusion. J Am Coll Surg. 1998 Aug;187(2):130-8. doi: 10.1016/s1072-7515(98)00142-2.
Tanaka H, Yukioka T, Yamaguti Y, Shimizu S, Goto H, Matsuda H, Shimazaki S. Surgical stabilization of internal pneumatic stabilization? A prospective randomized study of management of severe flail chest patients. J Trauma. 2002 Apr;52(4):727-32; discussion 732. doi: 10.1097/00005373-200204000-00020.
Bastos R, Calhoon JH, Baisden CE. Flail chest and pulmonary contusion. Semin Thorac Cardiovasc Surg. 2008 Spring;20(1):39-45. doi: 10.1053/j.semtcvs.2008.01.004.
Other Identifiers
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VCU-20100582
Identifier Type: -
Identifier Source: org_study_id
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