Dataset Information

Comparison of minimally invasive surgery for non-flail chest rib fractures: a prospective cohort study.

ABSTRACT:

Background

To evaluate therapeutic efficacy of minimally invasive and small incision surgery [minimally invasive surgery (MIS)] in patients with non-flail chest rib fractures through a prospective cohort study.

Methods

This study included 98 patients with non-flail chest rib fractures (≥3 displaced fractures) and 66 patients undergoing MIS served as the experimental group and 32 patients receiving conservative treatment served as the matched control group. Pain index and indicators of pulmonary function [vital capacity (VC); forced expiratory volume in one second (FEV1); peak expiratory flow (PEF)] for the two groups were assessed and compared at the time of admission and before discharge. In addition, duration of pain, time required for the patient to regain the ability to perform daily self-care, mental labor, and moderate-to-severe physical labor, and duration of chest discomfort were measured during long-term follow-up and compared between the two groups.

Results

There were also no significant differences (P>0.05) in pain index (8 vs. 8) or indicators of pulmonary function (VC: 31.0% vs. 26.5%; FEV1: 29.9% vs. 26.7%; PEF: 15.2% vs. 12.0%) were found between the MIS and conservative treatment groups at the time of admission; while pain index (3 vs. 6), VC (42.1% vs. 35.3%), and FEV1 (44.2% vs. 35.9%) were significantly different between the two groups (P<0.05) but not in PEF (21.2% vs. 19.6%) before discharge. Long-term follow-up showed that duration of pain, time required for the patient to regain the ability to engage in daily self-care, mental labor, and moderate-to-severe physical labor, and duration of chest discomfort in the MIS group were significantly more improved than in the conservative treatment group (P<0.05).

Conclusions

MIS was a simple and safe treatment that significantly relieved chest pain and rapidly restored pulmonary function and improved the long-term quality of life of patients with non-flail chest rib fractures of ≥3 ribs with displacement.

SUBMITTER: Li Y

PROVIDER: S-EPMC7399395 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Publications

Comparison of minimally invasive surgery for non-flail chest rib fractures: a prospective cohort study.

Li Yang Y Gao Erji E Yang Yi Y Gao Zongli Z He Weiwei W Zhao Yonghong Y Wu Weiming W Zhao Tiancheng T Guo Xiang X

Journal of thoracic disease 20200701 7

<h4>Background</h4>To evaluate therapeutic efficacy of minimally invasive and small incision surgery [minimally invasive surgery (MIS)] in patients with non-flail chest rib fractures through a prospective cohort study.<h4>Methods</h4>This study included 98 patients with non-flail chest rib fractures (≥3 displaced fractures) and 66 patients undergoing MIS served as the experimental group and 32 patients receiving conservative treatment served as the matched control group. Pain index and indicator ...[more]

PMID: 32802450

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Project description:BackgroundFlail chest (FC) injuries are segmental osseous injuries of the thorax that typically result from high-energy blunt trauma and regularly occur in multiple trauma (MT) patients. FC injuries are associated with paradoxical chest wall movements and, thus, have a high risk of respiratory insufficiency or even death. An increasing number of studies recommend an early surgical stabilization of FC injuries, but a definite trigger that would indicate surgery has, thus far, not been identified.MethodsBased on real-world injury computed tomography (CT) data, this study aimed to establish a finite elements (FE) model of a thorax simulating spontaneous breathing. The model is based on a 0.625 mm slice thickness CT data set. In this FE model, various FC injury patterns were implemented to examine the impact of an increasingly large flail segment on tidal volume and respiratory work. The impact of the segmental defect sizes on the outcome measures mentioned above was examined using correlation analyses.ResultsThe FE model in this study reliably simulated the spontaneous breathing patterns of an actively breathing patient in an uninjured setting as a reference and showed clinically realistic movements of the flail segments for various injury settings. Correlation analysis showed a significant negative correlation between the FC size and tidal volume (R2 = 0.852, p = 0.003), while absolute (R2 = 0.845, p = 0.0096) and relative loss (R2 = 0.844, p = 0.0096) of tidal volume concerning the intact model and the compensatory respiratory work required (R2 = 0.816, p = 0.0136) were positively correlated with FC size.ConclusionThis study presents an FE model of the thorax of a patient who presented to our clinic as an MT patient with an FC injury. The FE model fulfills physiologic active breathing patterns and simulates an FC injury's paradoxical movement, realistically depicting clinical observations. The FE model showed that the number of consecutive ribs involved in the flail segment and the length of the flail segment significantly impacted active breathing concerning tidal volumes and respiratory work. With this, we have made the first step to define a trigger for surgery.

Project description:OBJECTIVES:Multiple systematic reviews have reported on the impact of rib fracture fixation in the presence of flail chest and multiple rib fractures, however this practice remains controversial. Our aim is to synthesise the effectiveness of surgical rib fracture fixation as evidenced by systematic reviews. DESIGN:A systematic search identified systematic reviews comparing effectiveness of rib fracture fixation with non-operative management of adults with flail chest or unifocal non-flail rib fractures. MEDLINE, EMBASE, Cochrane Database of Systematic Reviews and Science Citation Index were last searched 17 March 2017. Risk of bias was assessed using the Risk Of Bias In Systematic reviews (ROBIS) tool. The primary outcome was duration of mechanical ventilation. RESULTS:Twelve systematic reviews were included, consisting of 3 unique randomised controlled trials and 19 non-randomised studies. Length of mechanical ventilation was shorter in the fixation group compared with the non-operative group in flail chest; pooled estimates ranged from -4.52 days, 95% CI (-5.54 to -3.5) to -7.5 days, 95% CI (-9.9 to -5.5). Pneumonia, length of hospital and intensive care unit stay all showed a statistically significant improvement in favour of fixation for flail chest; however, all outcomes in favour of fixation had substantial heterogeneity. There was no statistically significant difference between groups in mortality. Two systematic reviews included one non-randomised studies of unifocal non-flail rib fracture population; due to limited evidence the benefits with surgery are uncertain. CONCLUSIONS:Synthesis of the reviews has shown some potential improvement in patient outcomes with flail chest after fixation. For future review updates, meta-analysis for effectiveness may need to take into account indications and timing of surgery as a subgroup analysis to address clinical heterogeneity between primary studies. Further robust evidence is required before conclusions can be drawn of the effectiveness of surgical fixation for flail chest and in particular, unifocal non-flail rib fractures. PROSPERO REGISTRATION NUMBER:CRD42016053494.

Project description:BackgroundMultiple rib fractures can lead to flail chest with up to 35% mortality rate due to severe pulmonary complications. Current treatments of flail chest remain controversial. Studies have shown that surgical treatments can improve outcomes and reduce mortality, comparing to non-operative treatments. Current surgical fixation methods focus on stabilization of ribs on the outward facing side, and they require division of intercostal muscles. Damages to surrounding nerves and vessels may lead to chronic pain. This study tests a novel interior fixation method that minimizes neurovascular injuries.MethodsTwelve healthy canines were divided in two surgical operation groups for exterior and interior fixation using titanium metal plates. Osteotomy with oblique fractures was prepared under general anesthesia. Exterior fixation was performed in open surgery. Interior fixation was minimally invasive using custom made tools including a flexible shaft extension screwdriver, solid plate stand, guiding wire loop and metal plates with threaded holes.ResultsRespiratory and cardiovascular functions (RR, PO2, PCO2, SpO2, and HR) together with body temperature were measured before anesthesia and within 48 h after surgery. The difference in measurements was not statistically significant between the two groups before surgery with P values greater than 0.05. However, the interior group canines had better RR and PO2 values starting from the 24th hour, and better PCO2, SpO2, and HR values starting from the 48th hour. It took longer operation time to complete the minimally invasive interior fixation surgery (P value less than 0.001), but the total blood loss was less than the exterior fixation group (P value less than 0.001). Results also showed that interior group canines suffered less pain, and they had quicker recovery in gastrointestinal and physical mobility.ConclusionsThe investigative interior fixation method was safe and effective in rib stabilization on a canine rib fracture model, comparing to the exterior fixation method. The interior fixation was minimally invasive, with less damages to tissues and nerves surrounding the ribs, leading to better postoperative outcomes.

Dataset Information

Comparison of minimally invasive surgery for non-flail chest rib fractures: a prospective cohort study.

Background

Methods

Results

Conclusions

Publications

Comparison of minimally invasive surgery for non-flail chest rib fractures: a prospective cohort study.

Similar Datasets

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