Cigarette smoking influences the clinical and occupational outcome of patients with tibial shaft fractures

Moghaddam, Arash; Zimmermann, G.; Hammer, Kathrin; Brückner, Thomas; Grützner, Paul Alfred; Recum, Jan von

doi:10.1016/j.injury.2011.05.011

Cited by 121 publications

(86 citation statements)

References 43 publications

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“…Despite evidence that cigarette smoking plays a role in nonunion and delayed union [13,21,31,36], precedents for smoking not being associated with nonunion are also reported [5,19]. Some evidence supports IIIC fractures being correlated with nonunions [37].…”

Section: Discussionmentioning

confidence: 99%

“…Pro [32] NSAID use at admission Pro [13,27] Con [17,35] NSAID use at discharge Pro [13,27] Con [17,35] Opioid use at admission Pro [12] Opioid use at discharge Pro [12] Human immunodeficiency virus Pro [24] Con [20] Hepatitis C None Diabetes Pro [13,21,27] ASA score Pro [16] Smoking status Pro [13,21,31,36] Con [29,35] Alcohol use Pro [10,13,21] AO classification Pro [30] Con [2,22] ISS score Pro [30] TRISS score Pro [30] ICU days None * Pro articles support a correlation between nonunion and the variable; Con articles show that the variable has no correlation with nonunion; GSW = gunshot wound; NSAID = nonsteroidal anti-inflammatory drug; ASA = American Society of Anesthesiologists; AO = Arbeitsgemeinschaft für Osteosynthesefragen; ISS = Injury Severity Score; TRISS = Trauma and Injury Severity Score; ICU = intensive care unit.…”

Section: Compartment Syndromementioning

confidence: 99%

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Will My Tibial Fracture Heal? Predicting Nonunion at the Time of Definitive Fixation Based on Commonly Available Variables

O’Halloran

Coale

Costales

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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Background Accurate prediction of tibial nonunions has eluded researchers. Reliably predicting tibial nonunions at the time of fixation could change management strategies and stimulate further research. Questions/purposes We asked (1) whether data from medical records, fracture characteristics, and radiographs obtained at the time of fixation would identify features predictive of tibial fracture nonunion; and (2) whether this information could be used to create a model to assess the chance of nonunion at the time of intramedullary (IM) nail fixation of the tibia. Methods We retrospectively reviewed all tibial shaft fractures treated at our center from 2007 to 2014. We conducted a literature review and collected data on 35 factors theorized to contribute to delayed bone healing. Patients were followed to fracture healing or surgery for nonunion. Patients with planned prophylactic nonunion surgery were excluded because their nonunions were anticipated and our focus was on unanticipated nonunions. Our cohort consisted of 382 patients treated with IM nails for tibial shaft fractures (nonunion, 56; healed, 326). Bivariate and multivariate regression techniques and stepwise modeling approaches examined the relationship between variables available at definitive fixation. Factors were included in our model if they were identified as having a modest to large effect size (odds ratio [ 2) at the p \ 0.05 level. Results A multiple variable logistic regression model was developed, including seven factors (p \ 0.05; odds ratio [ 2.0). With these factors, we created the Nonunion Risk Determination (NURD) score. The NURD score assigns 5 points for flaps, 4 points for compartment syndrome, 3 points for chronic condition(s), 2 points for open fractures, 1 point for male gender, and 1 point per grade of American Society of Anesthesiologists Physical Status and percent cortical contact. One point each is subtracted for spiral fractures and for low-energy injuries, which were found to be predictive of union. A NURD score of 0 to 5 had a 2% chance of nonunion; 6 to 8, 22%; 9 to 11, 42%; and[12, 61%. Conclusions The proposed nonunion prediction model (NURDS) seems to have potential to allow clinicians to better determine which patients have a higher risk of nonunion. Future work should be directed at prospectively validating and enhancing this model. Level of Evidence Level III, diagnostic study.

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Section: Discussionmentioning

confidence: 99%

Section: Compartment Syndromementioning

confidence: 99%

Will My Tibial Fracture Heal? Predicting Nonunion at the Time of Definitive Fixation Based on Commonly Available Variables

O’Halloran

Coale

Costales

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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“…In general, non-union as a complication of fracture healing occurs in 5% -10% of cases (1) and can be as high as 30% in high-risk groups (2)(3)(4)(5).…”

Section: Epidemiologymentioning

confidence: 99%

“…In addition, there is more often 2° -3° of open injuries with complex damage of the bone and the surrounding soft tissue (5).…”

Section: Epidemiologymentioning

confidence: 99%

Non-Union Current Treatment Concept

2016

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Context: This article wants to give a current concept for the challenging decision for conservative or operative treatment strategies of nonunions according to the principles of 'diamond concept' and aspects that have to be attended. Evidence Acquisition: Between February 2010 and March 2014, 424 patients with non-unions were treated at Heidelberg university hospital. This database has been analyzed at least one year after the treatment. The analysis and the experience in surgery and treatment of non-unions as well as present literature were prepared for this review as a current concept. Results: If an atrophic non-union is suggested, reosteosynthesis and biological stimulation is required. A revision surgery of autologous transplantation of cancellous bone from the iliac crest is often enough. Alternatively, reamer-irrigator-aspirator (RIA) can be taken out of the femur with lower complications and pain in the extraction area and be combined with growth factors like bone morphogenetic proteins (BMPs), if consolidation after cancellous bone is still absent. In complex cases, consequential and radical removal of the infection often improved circulation through interventional angiography and use of the two-step procedure (the Masquelet technique) as well as a tissue covering are required. Conclusions: By using the 'diamond concept' as a complex concept, non-unions can be treated in different stages in a targeted manner.

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“…Several modifiable risk factors are known to affect the healing of osteotomies and fractures. Smoking [6,12], diabetes [8], obesity [6], and endocrinopathies [3] such as hypogonadism, vitamin D deficiencies, and calcium imbalances have all been identified as patientspecific risk factors for delayed union and nonunion. Iatrogenic concerns for impaired healing have also been linked to medications such as nonsteroidal antiinflammatory drugs [2,8,13]; this research has resulted in decreased use of these drugs in patients with fracture.…”

Section: Introductionmentioning

confidence: 99%

Postoperative Opioid Administration Inhibits Bone Healing in an Animal Model

Chrastil

Sampson

Jones

et al. 2013

Clinical Orthopaedics &Amp; Related Research

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Background The current mainstay of orthopaedic pain control is opioid analgesics but there are few studies in the literature evaluating the effects of opioids on bone healing. Questions/purposes The purpose of this study was to use a rat fracture model to evaluate the effects of opioid administration on osseous union in the acute (4 weeks) and subacute (8 weeks) setting in an operatively stabilized fracture. We asked the following question: does morphine administration alter (1) fracture callus strength; (2) callus volume and formation; and (3) morphology and early remodeling to final osseous union? Methods A 0.4-mm femoral osteotomy gap was created in 50 Sprague-Dawley rats using an established model. Postoperatively, rats were randomized to control versus morphine-treated study groups. Equal numbers of rats from each group were euthanized at 4 weeks and 8 weeks postoperatively. Three-point bend biomechanical testing was performed to evaluate postoperative callus strength. Micro-CT scans and histological analyses were used to evaluate postoperative callus volume and formation, morphology, and features of early remodeling. Results Biomechanical testing identified a statistically significant (p = 0.048) reduction in callus strength in morphine-treated animals 8 weeks postoperatively compared with controls. Radiographic and histological analysis showed delayed callus maturation and lack of remodeling in the morphine group compared with control animals at 8 weeks. Micro-CT analysis expressed remodeling and resorption as a decrease in callus volume over the two time points. The control group had significant levels of resorption decreasing 29% (p = 0.023) over the 4-week to 8-week time interval. Morphine administration inhibited callus resorption and remodeling with only a 13% decrease (p = 0.393) in callus volume comparing these time points. The callus inhibition associated with morphine administration was not as evident in the acute, 4-week time setting. Conclusions Morphine administration inhibited callus strength in this animal model. This finding is likely consistent with the observation that the callus and healing bone appear to have a decreased rate of maturation and remodeling seen at 8 weeks.Clinical Relevance This study identifies that administration of an opioid pain medication leads to weaker callus and impedes callus maturation compared with controls.

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Cigarette smoking influences the clinical and occupational outcome of patients with tibial shaft fractures

Cited by 121 publications

References 43 publications

Will My Tibial Fracture Heal? Predicting Nonunion at the Time of Definitive Fixation Based on Commonly Available Variables

Will My Tibial Fracture Heal? Predicting Nonunion at the Time of Definitive Fixation Based on Commonly Available Variables

Non-Union Current Treatment Concept

Postoperative Opioid Administration Inhibits Bone Healing in an Animal Model

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