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Khazi ZM, Pierce J, Azizaddini S, Davis R, Bhat AP. Mechanical thrombectomy is associated with shorter length of hospital stay and lower readmission rates compared with conservative therapy for acute submassive pulmonary embolism: a propensity-matched analysis. Diagn Interv Radiol 2023; 29:794-799. [PMID: 36994497 PMCID: PMC10679557 DOI: 10.4274/dir.2022.221622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 10/30/2022] [Indexed: 01/15/2023]
Abstract
PURPOSE To determine if mechanical thrombectomy (MT) for submassive pulmonary embolism (PE) positively impacts length of hospital stay (LOS), intensive care unit stay (ICU LOS), readmission rate, and in-hospital mortality compared with conservative therapy. METHODS This was a retrospective review of all patients with submassive PE who either underwent MT or conservative therapy (systemic anticoagulation and/or inferior vena cava filter) between November 2019 and October 2021. Pediatric patients (age <18) and those with low-risk and massive PEs were excluded from the study. Patient characteristics, comorbidities, vitals, laboratory values (cardiac biomarkers, hospital course, readmission rates, and in-hospital mortality) were recorded. A 2:1 propensity score match was performed on the conservative and MT cohorts based on age and the PE severity index (PESI) classification. Fischer's exact test, Pearson's χ2 test, and Student's t-tests were used to compare patient demographics, comorbidities, LOS, ICU LOS, readmission rates, and mortality rates, with statistical significance defined as P < 0.05. Additionally, a subgroup analysis based on PESI scores was assessed. RESULTS After matching, 123 patients were analyzed in the study, 41 in the MT cohort and 82 in the conservative therapy cohort. There was no significant difference in patient demographics, comorbidities, or PESI classification between the cohorts, except for increased incidence of obesity in the MT cohort (P = 0.013). Patients in the MT cohort had a significantly shorter LOS compared with the conservative therapy cohort (5.37 ± 3.93 vs. 7.76 ± 9.53 days, P = 0.028). However, ICU LOS was not significantly different between the cohorts (2.34 ± 2.25 vs. 3.33 ± 4.49, P = 0.059). There was no significant difference for in-hospital mortality (7.31% vs. 12.2%, P = 0.411). Of those that were discharged from the hospital, there was significantly lower incidence of 30-day readmission in the MT cohort (5.26% vs. 26.4%, P < 0.001). A subgroup analysis did not demonstrate that the PESI score had a significant impact on LOS, ICU LOS, readmission, or in-hospital mortality rates. CONCLUSION MT for submassive PE can reduce the total LOS and 30-day readmission rates compared with conservative therapy. However, in-hospital mortality and ICU LOS were not significantly different between the two groups.
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Affiliation(s)
- Zain M. Khazi
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Missouri, Missouri, Columbia
| | - Justin Pierce
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Missouri, Missouri, Columbia
| | - Shahrzad Azizaddini
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Missouri, Missouri, Columbia
| | - Ryan Davis
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Missouri, Missouri, Columbia
| | - Ambarish P. Bhat
- Department of Radiology, Division of Vascular and Interventional Radiology, University of Missouri, Missouri, Columbia
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Khazi ZM, Marjara J, Nance M, Ghouri Y, Hammoud G, Davis R, Bhat A. Gastroduodenal artery embolization for peptic ulcer hemorrhage refractory to endoscopic intervention: A single-center experience. J Clin Imaging Sci 2022; 12:31. [PMID: 35769094 PMCID: PMC9235422 DOI: 10.25259/jcis_45_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 05/12/2022] [Indexed: 11/25/2022] Open
Abstract
Objective To determine the efficacy of gastroduodenal artery embolization (GDAE) for bleeding peptic ulcers that failed endoscopic intervention. To identify incidence and risk factors for failure of GDAE. Materials and Methods A retrospective review of patients who underwent GDAE for hemorrhage from peptic ulcer disease refractory to endoscopic intervention were included in the study. Refractory to endoscopic intervention was defined as persistent hemorrhage following at least two separate endoscopic sessions with two different endoscopic techniques (thermal, injection, or mechanical) or one endoscopic session with the use of two different techniques. Demographics, comorbidities, endoscopic and angiographic findings, significant post-embolization pRBC transfusion, and index GDAE failure were collected. Failure of index GDAE was defined as the need for re-intervention (repeat embolization, endoscopy, or surgery) for rebleeding or mortality within 30 days after GDAE. Multivariate analyzes were performed to identify independent predictors for failure of index GDAE. Results There were 70 patients that underwent GDAE after endoscopic intervention for bleeding peptic ulcers with a technical success rate of 100%. Failure of index GDAE rate was 23% (n = 16). Multivariate analysis identified ≥2 comorbidities (odds ratio [OR]: 14.2 [1.68-19.2], P = 0.023), days between endoscopy and GDAE (OR: 1.43 [1.11-2.27], P = 0.028), and extravasation during angiography (OR: 6.71 [1.16-47.4], P = 0.039) as independent predictors of index GDAE failure. Endoscopic Forrest classification was not a significant predictor for the failure of index GDAE (P > 0.1). Conclusion The study demonstrates safety and efficacy of GDAE for hemorrhage from PUD that is refractory to endoscopic intervention. Days between endoscopy and GDAE, high comorbidity burden, and extravasation during angiography are associated with increased risk for failure of index GDAE.
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Affiliation(s)
- Zain M Khazi
- Department of Radiology, University of Missouri, Columbia, Missouri, United States,
| | - Jasraj Marjara
- Department of Radiology, University of Missouri, Columbia, Missouri, United States,
| | - Michael Nance
- Department of Internal medicine, Mercy Hospital St. Louis, Saint Louis, Missouri, United States,
| | - Yezaz Ghouri
- Department of Medicine, University of Missouri, Columbia, Missouri, United States,
| | - Ghassan Hammoud
- Department of Medicine, University of Missouri, Columbia, Missouri, United States,
| | - Ryan Davis
- Department of Radiology, University of Missouri, Columbia, Missouri, United States,
| | - Ambarish Bhat
- Department of Radiology, University of Missouri, Columbia, Missouri, United States,
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Shamrock AG, Duchman KR, Cates WT, Cates RA, Khazi ZM, Westermann RW, Bollier MJ, Wolf BR. Outcomes Following Primary Anterior Cruciate Ligament Reconstruction Using a Partial Transphyseal (Over-the-Top) Technique in Skeletally Immature Patients. Iowa Orthop J 2022; 42:179-186. [PMID: 35821916 PMCID: PMC9210405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND The incidence of anterior cruciate ligament (ACL) injuries in skeletally immature patients is increasing, with ACL reconstruction preferred in this population due to reported chondroprotective benefits. Due to concerns with growth disturbance following ACL reconstruction in skeletally immature patients, various physealsparing and partial transphyseal techniques have been developed. Currently, there is no consensus on the most effective ACL reconstruction technique in skeletally immature patients. The purpose of the current study was to report the outcomes of a partial-transphyseal over-the-top (OTT) ACL reconstruction in a cohort of skeletally immature patients. METHODS All patients with radiographic evidence of open tibial and femoral physes that underwent primary ACL reconstruction using a partial-transphyseal OTT technique between 2009-2018 at a single tertiary-care institution with at least twelve months of clinical follow-up were retrospectively reviewed. Patient demographics, physical examination findings, graft ruptures, return to sport, and Tegner activity levels were analyzed. Statistical significance was defined as p<0.05. RESULTS Overall, 11 males and 1 female (12 knees) with a mean age of 12.8±1.8 (range: 10-16) years were included in the study. The mean postoperative follow-up of the cohort was 2.3±1.2 (range: 1.1-5.2) years. All ACLs were reconstructed with hamstring autograft with allograft augmentation utilized in a single patient. There were two cases of ACL graft rupture (16.7%). All patients were able to return to the same or higher level of sporting activity at an average of 7.4+2.7 months. There were no cases of clinically significant longitudinal or angular growth disturbance. CONCLUSION Partial transphyseal ACL reconstruction using a transphyseal tibial tunnel and an extra-articular OTT technique on the femur in skeletally immature patients affords minimal risk of growth disturbance with a graft rupture rate consistent with what has been reported in this high-risk population. All patients were able to return to sport at the same or higher level. Level of Evidence: IV.
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Affiliation(s)
- Alan G. Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Kyle R. Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - William T. Cates
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Robert A. Cates
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Zain M. Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Robert W. Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Matthew J. Bollier
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Brian R. Wolf
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
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Shamrock AG, Khazi ZM, Carender CN, Amendola A, Glass N, Duchman KR. Utilization of Arthroscopy During Ankle Fracture Fixation Among Early Career Surgeons: An Evaluation of the American Board of Orthopaedic Surgery Part II Oral Examination Database. Iowa Orthop J 2022; 42:103-108. [PMID: 35821943 PMCID: PMC9210429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND Rotational ankle fractures are common injuries associated with high rates of intra-articular injury. Traditional ankle fracture open reduction and internal fixation (ORIF) techniques provide limited capacity for evaluation of intra-articular pathology. Ankle arthroscopy represents a minimally invasive technique to directly visualize the articular cartilage and syndesmosis while aiding with reduction and allowing joint debridement, loose body removal, and treatment of chondral injuries. The purpose of this study was to evaluate temporal trends in concomitant ankle arthroscopy during ankle fracture ORIF surgery amongst early-career orthopaedic surgeons while examining the influence of subspecialty fellowship training on utilization. METHODS The American Board of Orthopaedic Surgery (ABOS) Part II Oral Examination database was queried to identify all candidates performing at least one ankle fracture ORIF from examination years 2010 to 2019. All ORIF cases were examined to identify those that carried a concomitant CPT code for ankle arthroscopy. Concomitant ankle arthroscopy cases were categorized by candidates self-reported fellowship training status and examination year. Descriptive statistics were performed to report relevant data and linear regression analyses were utilized to assess temporal trends in concomitant ankle arthroscopy with ORIF for ankle fractures. Statistical significance was defined as p<0.05. RESULTS During the study period, there were 36,113 cases of ankle fracture ORIF performed of which 388 cases (1.1%) were performed with concomitant ankle arthroscopy. Ankle fracture ORIF was most frequently performed by trauma fellowship trained ABOS Part II candidates (n=8,888; 24.6%), followed by sports medicine (n=7,493; 20.8%) and foot and ankle (n=6,563; 18.2%). Arthroscopy was most frequently utilized by foot and ankle fellowship trained surgeons (293/6,270 cases; 4.5%) followed by sports medicine (29/7,464 cases; 0.4%) and trauma (4/8,884 cases; 0.1%). With respect to arthroscopic cases, 293 cases (75.5%) were performed by foot and ankle fellowship trained surgeons, 29 (7.5%) sports medicine, and 4 (1.0%) trauma. Ankle arthroscopy utilization significantly increased from 3.65 cases per 1,000 ankle fractures in 2010 to 13.91 cases per 1,000 ankle fractures in 2019 (p=0.010). Specifically, foot and ankle fellowship trained surgeons demonstrated a significant increase in arthroscopy utilization during ankle fracture ORIF over time (p<0.001; OR: 1.101; CI: 1.054-1.151). CONCLUSION Ankle arthroscopy utilization during ankle fracture ORIF has increased over the past decade. Foot and ankle fellowship trained surgeons contribute most significantly to this trend. Level of Evidence: IV.
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Affiliation(s)
- Alan G. Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Zain M. Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Christopher N. Carender
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | | | - Natalie Glass
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Kyle R. Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
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Gulbrandsen TR, Khazi ZM, Gulbrandsen MT, Shamrock AG, Brown TS, Elkins J. Resident Participation During Revision Total Knee Arthroplasty Is Not Associated With Increased Risk of 30-Day Postoperative Complication. Iowa Orthop J 2022; 42:75-81. [PMID: 36601236 PMCID: PMC9769346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Background Academic teaching institutions perform approximately one third of all orthopedic procedures in the United States. Revision total knee arthroplasty (rTKA) is a complex and challenging procedure that requires expertise and extensive planning, however the impact of resident involvement on outcomes is poorly understood. The aim of the study was to investigate whether resident involvement in rTKA impacts postoperative complication rates, operative time, and length of hospital stay (LOS). Methods The American College of Surgeons National Surgical Quality Improvement Program registry was queried to identify patients who underwent rTKA procedures from 2006-2012 using CPT codes 27486 and 27487. Cases were classified as resident involved or attending only. Demographics, comorbidities, and 30-day postoperative complications were analyzed. Multiple logistic regression analysis was performed to identify independent risk factors for increased 30-day postoperative complications. Wilcoxon rank sum tests were performed to determine the impact of resident involvement on operative time and LOS with significance defined as p<0.05. Results In total, 2,396 cases of rTKA were identified, of which 972 (40.6%) involved residents. The two study groups were similar, however the resident involved cohort had more patients with hypertension and ASA class 3 (p=0.02, p=0.04). There was no difference in complications between the cohorts (No Resident vs Resident-involved: 7.0% vs 6.7%, p=0.80). Multivariate analysis identified obesity (OR: 1.81, 95% CI: 1.18-2.79, p=0.01), morbid obesity (OR: 1.66, 95% CI: 1.09-2.57, p=0.02), congestive heart failure (OR: 5.97, 95% CI: 1.19-24.7, p=0.02), and chronic prosthetic joint infection (OR: 3.16, 95% CI: 2.184.56, p<0.01), as independent risk factors for 30-day complications after rTKA. However, resident involvement was not associated with complications within 30-days following rTKA (OR: 0.91, 95% CI: 0.65-1.26, p=0.57). Resident involvement was associated with increased operative time (p<0.001) and LOS (P<0.001). Conclusion Resident involvement in rTKA cases is not associated with an increased risk of 30-day postoperative complications. However, resident operative involvement was associated with longer operative time and length of hospital stay. Level of Evidence: III.
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Affiliation(s)
- Trevor R Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.,Department of Surgery, University of Missouri Columbia, Columbia, Missouri, USA
| | - Matthew T Gulbrandsen
- Department of Orthopaedic Surgery, Loma Linda University Hospital, Loma Linda, California, USA
| | - Alan G Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - Timothy S Brown
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA.,Orthopedics and Sports Medicine, Houston Methodist Hospital, Houston, Texas, USA
| | - Jacob Elkins
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
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Schaver AL, Khazi ZM, Paulson AC, Willey MC, Westermann RW. Utilization of Physical Therapy Prior to Consultation for Hip Preservation Surgery. Iowa Orthop J 2021; 41:72-76. [PMID: 34924872 PMCID: PMC8662930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND Comprehensive conservative care prior to arthroscopic hip surgery is recommended, but not all patients pursue a course of physical therapy (PT) prior to consulting a hip surgeon. The purpose of this study is to investigate the incidence and type of PT administered to patients with hip pain prior to consulting a hip surgeon. METHODS We conducted a single-center, questionnaire-driven study at a young adult hip preservation clinic that exclusively treats patients with hip pain. Thirty (88%) of thirty-four consecutive new patients answered the 15-item questionnaire. The questionnaire was designed to inquire about the reason for the visit, type of formal PT received (hip strengthening, leg strengthening etc.), and additional treatments received prior to the visit (electric stimulation, narcotics etc.). Descriptive statistics were utilized to quantify the reason for visit, PT prior to the visit, and type of exercises performed during physical therapy. RESULTS Overall, 21 (70%) patients received physical therapy prior to consulting with a hip surgeon. Of those who received PT, 91% (n=19) did hip strengthening exercises, 76% (n=16) did focused hip stretching exercises, 62% (n=13) did leg strengthening exercises, 57% (n=12) did joint mobilization exercises, and 52% (n=11) did focused core strengthening exercises. Only 48% (n=10) reported improvement in symptoms with PT. Of those who received additional treatments, 77% (n=20) took anti-inflammatory medications regularly, 50% (n=13) underwent electric stimulation, 31% (n=8) had chiropractic manipulation, 19% (n=5) underwent soft tissue mobilization, 15% (n=4) received steroid injections, and 12% (n=3) were prescribed narcotics for hip pain. CONCLUSION The present study offers insight into the incidence and type of formal PT patients with hip pain receive before consulting a hip surgeon. Treatment methods during PT visits are variable, which makes determining outcomes of conservative care difficult to assess in this population.Level of Evidence: IV.
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Affiliation(s)
- Andrew L. Schaver
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Zain M. Khazi
- University Hospital, University of Columbia, MO, USA
| | - Amanda C. Paulson
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Michael C. Willey
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Robert W. Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
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Gulbrandsen TR, Khazi ZM, Bollier M, Wolf B, Larson C, Duchman K, An Q, Westermann RW. Preoperative Performance of Patient-Reported Outcomes Measurement Information System in Patients with Meniscal Root Tears. J Knee Surg 2021; 34:913-917. [PMID: 31887762 DOI: 10.1055/s-0039-3402076] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The purpose of this study was to establish preoperative validity of the Patient-Reported Outcomes Measurement Information System physical function computer adaptive test (PROMIS PF-CT) with legacy patient-reported outcome measures (PROMs) for meniscal root tears (MRTs). Our study included 51 patients (52 knees) with MRT. Patients completed PROMIS PF-CT, Short Form 36 (SF-36 physical function, pain, general health, vitality, social function, emotional well-being, role limitations due to physical health, and role limitations due to emotional problems), Knee Injury and Osteoarthritis Outcome Score (KOOS pain, symptoms, activities of daily living [ADLs], sports, and quality of life [QOL]), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC pain, stiffness, and function), EuroQol-5 dimensions (EQ-5D), and Knee Activity Scale questionnaires at their preoperative visit. Correlations between the PROMs listed above were evaluated along with floor and ceiling effects. Correlations were defined as weak (0.2-0.39), moderate (0.4-0.59), strong (0.6-0.79), and very strong (0.8-1.0). Preoperative data showed that PROMIS PF-CT has a strong correlation with SF-36 PF, KOOS-ADL, WOMAC-function, and EQ-5D; and moderate correlation with KOOS-sport, KOOS-pain, KOOS-symptoms, KOOS-QOL, WOMAC-pain, and WOMAC-stiffness. The Knee Activity Scale did not show any significant correlation with PROMIS PF-CT (r = 0.12, p = 0.2080). Of all the PROMs administered, PROMIS PF-CT demonstrated no floor or ceiling effects compared with 11.54% ceiling effect in KOOS-sports, and 5.77% floor effect in KOOS-ADL. On average, patients answered fewer PROMIS PF-CT questions (4.15 ± 0.72). PROMIS PF-CT is a valuable tool to assess preoperative patient-reported physical function in patients that may undergo MRT repair. It correlates strongly with other well-established PROMs. It also demonstrated no floor or ceiling effects and demonstrated a low test burden in our sample of 52 knees. This is a level III, prognostic retrospective comparative study.
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Affiliation(s)
- Trevor R Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Matthew Bollier
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Brian Wolf
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Christopher Larson
- Minnesota Orthopedic Sports Medicine Institute, Twin Cities Orthopedics, Edina, Minnesota
| | - Kyle Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Qiang An
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Robert W Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa
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Lu Y, Khazi ZM, Agarwalla A, Forsythe B, Taunton MJ. Development of a Machine Learning Algorithm to Predict Nonroutine Discharge Following Unicompartmental Knee Arthroplasty. J Arthroplasty 2021; 36:1568-1576. [PMID: 33358514 DOI: 10.1016/j.arth.2020.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/20/2020] [Accepted: 12/01/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Reliable and effective prediction of discharge destination following unicompartmental knee arthroplasty (UKA) can optimize patient outcomes and system expenditure. The purpose of this study is to develop a machine learning algorithm that can predict nonhome discharge in patients undergoing UKA. METHODS A retrospective review of a prospectively collected national surgical outcomes database was performed to identify adult patients who underwent UKA from 2015 to 2019. Nonroutine discharge was defined as discharge to a location other than home. Five machine learning algorithms were developed to predict this outcome. Performance of the algorithms was assessed through discrimination, calibration, and decision curve analysis. RESULTS Overall, of the 7275 patients included, 263 (3.6) patients were unable to return home upon discharge following UKA. The factors determined most important for identification of candidates for nonroutine discharge were total hospital length of stay, preoperative hematocrit, body mass index, preoperative sodium, American Society of Anesthesiologists classification, gender, and functional status. The extreme boosted model achieved the best performance based on discrimination (area under the curve = 0.875), calibration, and decision curve analysis. This model was integrated into a web-based open access application able to provide both predictions and explanations. CONCLUSION The present model can, following appropriate external validation, be used to augment clinician decision-making in patients undergoing elective UKA. Patients with high preoperative probabilities of nonroutine discharge based on nonmodifiable risk factors should be counseled to start the insurance authorization process with case management to avoid unnecessary inpatient stay, and those with modifiable risk can attempt prehabilitation to optimize these parameters before surgery.
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Affiliation(s)
- Yining Lu
- Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, MI
| | - Zain M Khazi
- Department of Orthopaedic Surgery and Rehabilitation, Iowa University Hospitals and Clinics, Iowa City, IO
| | - Avinesh Agarwalla
- Department of Orthopaedic Surgery, Westchester Medical Center, Valhalla, NY
| | - Brian Forsythe
- Division of Orthopaedics, Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL
| | - Michael J Taunton
- Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, MI
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Baron JE, Khazi ZM, Duchman KR, Wolf BR, Westermann RW. Increased Prevalence and Associated Costs of Psychiatric Comorbidities in Patients Undergoing Sports Medicine Operative Procedures. Arthroscopy 2021; 37:686-693.e1. [PMID: 33239183 DOI: 10.1016/j.arthro.2020.10.032] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate the prevalence of preoperatively diagnosed psychiatric comorbidities and the impact of these comorbidities on the healthcare costs of ten common orthopaedic sports medicine procedures. METHODS Patients undergoing 10 common sports medicine procedures from 2007 to 2017q1 were identified using the Humana claims database. These procedures included anterior cruciate ligament reconstruction; posterior cruciate ligament reconstruction; medial collateral ligament repair/reconstruction; Achilles repair/reconstruction; Rotator cuff repair; meniscectomy/meniscus repair; hip arthroscopy; arthroscopic shoulder labral repair; patellofemoral instability procedures; and shoulder instability repair. Patients were stratified by preoperative diagnoses of depression, anxiety, bipolar disorder, or schizophrenia. Cohorts included patients with ≥1 psychiatric comorbidity (psychiatric) versus those without psychiatric comorbidities (no psychiatric). Differences in costs across groups were compared using Mann-Whitney U tests, with significance defined as P < .05. Linear regression analysis was used to assess rates of procedures per year from 2006 to 2016. RESULTS In total, 226,402 patients (57.7% male) from 2007 to 2017q1 were assessed. The prevalence of ≥1 psychiatric comorbidity within the entire database was 10.31% (reference) versus 21.21% in those patients undergoing the 10 investigated procedures. Patients with psychiatric comorbidity most frequently underwent rotator cuff repair (28%), hip labral repair (26.3%) and meniscectomy/meniscus repair (25.0%%) had ≥1 psychiatric comorbidity. Compared with the no psychiatric cohort, diagnosis of ≥1 psychiatric comorbidity was associated with increased health care costs for all 10 sports medicine procedures ($9678.81 vs $6436.20, P < .0001). CONCLUSIONS The prevalence of preoperatively diagnosed psychiatric comorbidities among patients undergoing orthopaedic sports medicine procedures is high. The presence of psychiatric comorbidities preoperatively was associated with increased postoperative costs following all investigated orthopaedic sports medicine procedures. LEVEL OF EVIDENCE Level III; retrospective comparative study.
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Affiliation(s)
| | - Zain M Khazi
- University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Kyle R Duchman
- University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Brian R Wolf
- University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
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Shamrock AG, Westermann RW, Gulbrandsen TR, Khazi ZM, Carender CN, Willey MC. Hip Arthroscopy Prior to Periacetabular Osteotomy Does Not Increase Operative Time or Complications: A Single Center Experience. Iowa Orthop J 2021; 41:127-131. [PMID: 34552414 PMCID: PMC8259174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
BACKGROUND Periacetabular osteotomy (PAO) is a well-established procedure to improve function and reduce pain in the non-arthritic dysplastic hip. PAO and hip arthroscopy are often performed together; however, there is concern that hip arthroscopy increases difficulty of PAO due to arthroscopic fluid extravasation. The purpose of the current study was to examine the effect of performing hip arthroscopy prior to PAO under the same anesthetic on PAO operative time and postoperative complications. METHODS A retrospective review of all PAO cases during a two-year period at a single academic institution was performed. Cases were stratified into two groups based on whether concomitant hip arthroscopy was performed. In the combined hip arthroscopy and PAO group, hip arthroscopy was performed prior to PAO under the same general anesthetic in all cases. Student t-test was utilized to compare the operative times between the two study groups and Chi Square was used to compare categorical variables. RESULTS During the two-year study period, 93 total PAO cases in 86 patients (mean age: 23.5 + 8.7 years; 81.4% female) were performed. Of these, 67 PAO surgeries (72.0%) were performed following hip arthroscopy. The total complication rate was 2.2% with one postoperative complication occurring in each group. There was no difference in mean PAO operative time between the two study groups (PAO: 127.6 + 18.0 minutes; PAO with hip arthroscopy: 125.4 + 16.8 minutes; p=0.570). CONCLUSION Performing hip arthroscopy prior to PAO under the same general anesthetic does not significantly increase PAO operative time or postoperative complications.Level of Evidence: IV.
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Affiliation(s)
- Alan G. Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Robert W. Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Trevor R. Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Zain M. Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Christopher N. Carender
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
| | - Michael C. Willey
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals & Clinics, Iowa City, IA, USA
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Khazi ZM, Lu Y, Cregar W, Shamrock AG, Gulbrandsen TR, Mascarenhas R, Forsythe B. Inpatient Arthroscopic Rotator Cuff Repair Is Associated With Higher Postoperative Complications Compared With Same-Day Discharge: A Matched Cohort Analysis. Arthroscopy 2021; 37:42-49. [PMID: 32721541 DOI: 10.1016/j.arthro.2020.07.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 07/14/2020] [Accepted: 07/16/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To compare 90-day postoperative complications between patients undergoing outpatient versus inpatient arthroscopic rotator cuff repairs (RCR) and identify risk factors associated with postoperative complications. METHODS An administrative claims database was used to identify patients undergoing arthroscopic RCR from 2007 to 2015. Patients were categorized based on length of hospital stay (LOS) with inpatient RCR defined as patients with ≥1 day LOS, and outpatient RCR as patients discharged day of surgery (LOS = 0). Inpatient and outpatient RCR groups were matched based on age, sex, Charlson comorbidity index (CCI), and various medical comorbidities using 1:1 propensity score analysis. Patient factors, concomitant procedures, total adverse events (TAEs), medical adverse events (MAEs), and surgical adverse events (SAEs) were compared between the matched groups. Multiple logistic regression analysis was performed to identify risk factors associated with increased complications. RESULTS After matching, there were 2812 patients (50% outpatient) included in the study. Within 90 days following arthroscopic RCR, the incidence of TAEs (8.9% vs 3.6%, P < .0001), SAEs (2.7% vs 0.9%, P = .0002), and MAEs (6.4% vs 3.0%, P < .0001) were significantly greater for the inpatient RCR group. The multivariate model identified inpatient RCR (LOS ≥1 day), greater CCI, and anxiety or depression as independent predictors for TAEs after arthroscopic RCR. Open biceps tenodesis and inpatient RCR were independent predictors of SAEs, whereas greater CCI, anxiety or depression, and inpatient RCR were independent predictors for MAEs within 90 days after arthroscopic RCR. CONCLUSIONS Inpatient arthroscopic RCR is associated with increased risk of 90-day postoperative complications compared with outpatient. However, there is no difference for all-cause or pain-related emergency department visits within 90 days after surgery. In addition, the multivariate model identified inpatient RCR, greater CCI, and diagnosis of anxiety or depression as independent risk factors for 90-day TAEs after arthroscopic RCR. LEVEL OF EVIDENCE III, Retrospective cohort study.
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Affiliation(s)
- Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A..
| | - Yining Lu
- Division of Sports Medicine, Midwest Orthopedics at Rush, Chicago, Illinois, U.S.A
| | - William Cregar
- Division of Sports Medicine, Midwest Orthopedics at Rush, Chicago, Illinois, U.S.A
| | - Alan G Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Trevor R Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Randy Mascarenhas
- McGovern Medical School, University of Texas Health Science Center, Houston, Texas, U.S.A
| | - Brian Forsythe
- Division of Sports Medicine, Midwest Orthopedics at Rush, Chicago, Illinois, U.S.A
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Cregar WM, Khazi ZM, Lu Y, Forsythe B, Gerlinger TL. Lysis of Adhesion for Arthrofibrosis After Total Knee Arthroplasty Is Associated With Increased Risk of Subsequent Revision Total Knee Arthroplasty. J Arthroplasty 2021; 36:339-344.e1. [PMID: 32741708 DOI: 10.1016/j.arth.2020.07.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/30/2020] [Accepted: 07/06/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The aim of this study is to determine incidence of lysis of adhesion (LOA) for postoperative arthrofibrosis following primary total knee arthroplasty (TKA), patient factors associated with LOA, and impact of LOA on revision TKA. METHODS Patients who underwent primary TKA were identified in the Humana and Medicare databases. Patients who underwent LOA within 1 year after TKA were defined as the "LOA" cohort. Multiple binomial logistic regression analyses were performed to identify patient factors associated with undergoing LOA within 1 year after index TKA, and identify risk factors including LOA on risk for revision TKA within 2 years of index TKA. RESULTS In total, 58,538 and 48,336 patients underwent primary TKA in the Medicare and Humana databases, respectively. Incidence of LOA within 1 year after TKA was 0.56% in both databases. Age <75 years was a significant predictor of LOA in both databases (P < .05 for both). Incidence of revision TKA was significantly higher for the "LOA" cohort when compared to the "TKA Only" cohort in both databases (P < .0001 for both). LOA was the strongest predictor of revision TKA within 2 years after index TKA in both databases (P < .0001 for both). Additionally, age <65 years, male gender, obesity, fibromyalgia, smoking, alcohol abuse, and history of anxiety or depression were independently associated with increased odds of revision TKA within 2 years after index TKA (P < .05 for all). CONCLUSION Incidence of LOA after primary TKA is low, with younger age being the strongest predictor for requiring LOA. Patients who undergo LOA for arthrofibrosis within 1 year after primary TKA have a substantially high risk for subsequent early revision TKA. LEVEL OF EVIDENCE III, Retrospective Cohort Study.
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Affiliation(s)
- William M Cregar
- Department of Orthopedic Surgery, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL
| | - Zain M Khazi
- Department of Orthopedic Surgery and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA
| | - Yining Lu
- Department of Orthopedic Surgery, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL
| | - Brian Forsythe
- Department of Orthopedic Surgery, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL
| | - Tad L Gerlinger
- Department of Orthopedic Surgery, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL
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Khazi ZM, Baron J, Shamrock A, Gulbrandsen T, Bedard N, Wolf B, Duchman K, Westermann R. Preoperative Opioid Usage, Male Sex, and Preexisting Knee Osteoarthritis Impacts Opioid Refills After Isolated Arthroscopic Meniscectomy: A Population-Based Study. Arthroscopy 2020; 36:2478-2485. [PMID: 32438027 DOI: 10.1016/j.arthro.2020.04.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To identify risk factors for opioid consumption after arthroscopic meniscectomy using a large national database. METHODS Patients undergoing primary arthroscopic meniscectomy from 2007 to 2016 were retrospectively accessed from the Humana database. Patients were categorized as those who filled opioid prescriptions within 3 months (OU), within 1 month (A-OU), between 1 and 3 months (C-OU), and never filled opioid prescriptions (N-OU) before surgery. Rates of opioid use were evaluated preoperatively and longitudinally tracked for each cohort. Prolonged opioid use was defined as continued opioid prescription filling at ≥3 months after surgery. Multiple logistic regression analysis was used to identify factors associated with opioid refills at 12 months after surgery. RESULTS There were 88,120 patients (53.7% female) who underwent arthroscopic meniscectomy, of whom 46.1% (n = 39,078) were N-OU. About a quarter (25.3%) of patients continued filling opioid prescriptions at 1 year postoperatively. In addition, opioid fill rate at 1 year was significantly greater in the OU group compared with the N-OU group with a relative risk of 2.89 (40.7% vs 14.1%; 95% confidence interval 2.81-2.98; P < .0001). Multiple logistic regression model identified C-OU (odds ratio 3.67; 95% confidence interval 3.53-3.82; P < .0001) as the strongest predictor of opioid use at 12 months postoperatively. Furthermore, male sex, A-OU, knee osteoarthritis, diabetes mellitus, hypertension, chronic obstructive pulmonary disease, fibromyalgia, anxiety or depression, alcohol use disorder, and tobacco use (P < .02 for all) had significantly increased odds of opioid use at 12 months postoperatively. However, patients <40 years (P < .0001) had significantly decreased odds of opioid use 12 months postoperatively. CONCLUSIONS Preoperative opioid filling is a significant risk factor for opioid use at 12 months postoperatively. Male sex, preexisting knee osteoarthritis, and diagnosis of anxiety or depression were independent risk factors for opioid use 12 months following arthroscopic meniscectomy. LEVEL OF EVIDENCE Level-III, Retrospective Cohort Study.
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Affiliation(s)
- Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A..
| | - Jacqueline Baron
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Alan Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Trevor Gulbrandsen
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Nicolas Bedard
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Brian Wolf
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Kyle Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Robert Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
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Rojas EO, Khazi ZM, Gulbrandsen TR, Shamrock AG, Anthony CA, Duchman K, Westermann RW, Wolf BR. Preoperative Opioid Prescription Filling Is a Risk Factor for Prolonged Opioid Use After Elbow Arthroscopy. Arthroscopy 2020; 36:2106-2113. [PMID: 32442710 DOI: 10.1016/j.arthro.2020.04.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 02/02/2023]
Abstract
PURPOSE To (1) report the frequency of postoperative opioid prescriptions after elbow arthroscopy, (2) evaluate whether filling opioid prescriptions preoperatively placed patients at increased risk of requiring more opioid prescriptions after surgery, and (3) determine patient factors associated with postoperative opioid prescription needs. METHODS A national claims-based database was queried for patients undergoing primary elbow arthroscopy. Patients with prior total elbow arthroplasty or septic arthritis of the elbow were excluded. Patients who filled at least 1 opioid prescription between 1 and 4 months prior to surgery were defined as the preoperative opioid-use group. Monthly relative risk ratios for filling an opioid prescription were calculated for the first year after surgery. Multiple logistic regression analysis was performed to identify factors associated with opioid use at 3, 6, 9, and 12 months after elbow arthroscopy, with P < .05 defined as significant. RESULTS We identified 1,138 patients who underwent primary elbow arthroscopy. The preoperative opioid-use group consisted of 245 patients (21.5%), 61 of whom (24.9%) were still filling opioid prescriptions 12 months after surgery. The multivariate analysis determined that the preoperative opioid-use group was at increased risk of postoperative opioid prescription filling at 3 months (odds ratio [OR], 9.02; 95% confidence interval [CI], 5.98-13.76), 6 months (OR, 8.74; 95% CI, 5.57-13.92), 9 months (OR, 7.17; 95% CI, 4.57-11.39), and 12 months (OR, 6.27; 95% CI, 3.94-10.07) after elbow arthroscopy. Patients younger than 40 years exhibited a decreased risk of postoperative opioid prescription filling at 3 months (OR, 0.49; 95% CI, 0.25-0.91), 6 months (OR, 0.19; 95% CI, 0.06-0.50), 9 months (OR, 0.48; 95% CI, 0.22-0.97), and 12 months (OR, 0.44; 95% CI, 0.19-0.94) after surgery. CONCLUSIONS Preoperative opioid filling, fibromyalgia, and psychiatric illness are associated with an increased risk of prolonged postoperative opioid after elbow arthroscopy. Patient age younger than 40 years and chronic obstructive pulmonary disease are associated with a decreased risk of postoperative opioid prescription filling within the first postoperative year. LEVEL OF EVIDENCE Level III, retrospective cohort study.
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Affiliation(s)
- Edward O Rojas
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Zain M Khazi
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A..
| | - Trevor R Gulbrandsen
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Alan G Shamrock
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Christopher A Anthony
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Kyle Duchman
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Robert W Westermann
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Brian R Wolf
- From the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
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Lu Y, Khazi ZM, Patel BH, Agarwalla A, Cancienne J, Werner BC, Forsythe B. Big Data in Total Shoulder Arthroplasty: An In-depth Comparison of National Outcomes Databases. J Am Acad Orthop Surg 2020; 28:e626-e632. [PMID: 32692100 DOI: 10.5435/jaaos-d-19-00173] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
INTRODUCTION The practice of identifying trends in surgical decision-making through large-scale patient databases is commonplace. We hypothesize that notable differences exist between claims-based and prospectively collected clinical registries. METHODS We queried the American College of Surgeons National Surgical Quality Improvement Program (NSQIP), a prospective surgical outcomes database, and PearlDiver (PD), a claims-based private insurance database, for patients undergoing primary total shoulder arthroplasties from 2007 to 2016. Comorbidities and 30-day complications were compared. Multiple regression analysis was performed for each cohort to identify notable contributors to 30-day revision surgery. RESULTS Significant differences were observed in demographics, comorbidities, and postoperative complications for the age-matched groups between PD and NSQIP (P < 0.05 for all). Multiple regression analysis in PD identified morbid obesity and dyspnea to lead to an increased risk for revision surgery (P = 0.001) in the <65 cohort and dyspnea and diabetes to lead to an increased risk for revision surgery in the ≥65 cohort (P = 0.015, P < 0.001). Multiple regression did not reveal any risk factors for revision surgery in the <65 age group for the NSQIP; however, congestive heart failure was found to have an increased risk for revision surgery in the ≥65 cohort (P < 0.001). CONCLUSIONS Notable differences in comorbidities and complications for patients undergoing primary total shoulder arthroplasty were present between PD and NSQIP. LEVEL OF EVIDENCE Retrospective cohort study, level III.
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Affiliation(s)
- Yining Lu
- From Division of Sports Medicine, Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, IL (Mr. Lu, Mr. Patel, Dr. Agarwalla, Dr. Cancienne, and Dr. Forsythe), the Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA (Mr. Khazi), and the Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA (Dr. Werner)
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Khazi ZM, Cates WT, An Q, Duchman KR, Wolf BR, Westermann RW. Arthroscopy Versus Open Arthrotomy for Treatment of Native Hip Septic Arthritis: An Analysis of 30-Day Complications. Arthroscopy 2020; 36:1048-1052. [PMID: 31757679 DOI: 10.1016/j.arthro.2019.10.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 10/02/2019] [Accepted: 10/03/2019] [Indexed: 02/02/2023]
Abstract
PURPOSE To evaluate differences in short-term complications in patients treated with open arthrotomy or arthroscopy for septic arthritis (SA) of the native hip and identify risk factors associated with return to the operating room (ROR). METHODS Patients who underwent hip arthrotomy or arthroscopy for native hip SA between 2007 and 2017 were queried in the Humana database via the PearlDiver research tool. Patients with a previous history of total hip arthroplasty were excluded from this study. Basic demographics and various 30-day perioperative complications, including ROR, were compared between the 2 cohorts. Multivariate analysis was performed for ROR within 30 days following arthroscopy and arthrotomy. RESULTS We identified 421 patients with SA of the native hip, of whom 387 (91.9%) and 34 (8.1%) were treated with open arthrotomy and arthroscopy, respectively. There were no significant differences in demographic variables between groups. On univariate analysis, the incidence of total adverse events (arthrotomy: 75.7% vs arthroscopy: 52.9%, P = .0038) was significantly greater in the open arthrotomy cohort. However, there was little difference in ROR between both cohorts (arthrotomy: 45.9% vs arthroscopy: 38.2%, P = .3836). Multivariate analysis identified preoperative septicemia or septic shock (odds ratio [OR] 1.90; 95% confidence interval [CI] 1.25-2.89, P = .0026) as a significant risk factor for ROR within 30 days after surgery. Neither arthrotomy (OR 4.93, 95% CI 0.42-115.2, P = .2174) nor arthroscopy (OR 3.55, 95% CI 0.33-78.01, P = .3077) were significant risk factors to ROR. CONCLUSIONS Patients with SA of the hip had similar short-term complication rates and ROR regardless of open arthrotomy or arthroscopic management. This suggests that arthroscopic management may be a safe option for the treatment of SA of the hip with potentially limited morbidity. LEVEL OF EVIDENCE Level IV (treatment harms investigation).
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Affiliation(s)
- Zain M Khazi
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - William T Cates
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Qiang An
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Kyle R Duchman
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Brian R Wolf
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A
| | - Robert W Westermann
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, Iowa, U.S.A..
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Khazi ZM, Shamrock AG, Hajewski C, Glass N, Wolf BR, Duchman KR, Westermann RW, Bollier M. Preoperative opioid use is associated with inferior outcomes after patellofemoral stabilization surgery. Knee Surg Sports Traumatol Arthrosc 2020; 28:599-605. [PMID: 31650313 DOI: 10.1007/s00167-019-05738-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 09/30/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE The purpose of the study was to investigate the association between preoperative opioid use and persistent postoperative use, and determine the impact of preoperative opioid use on patient-reported outcomes (PROs) in patients undergoing patellofemoral stabilization surgery. METHODS A retrospective analysis of 60 patients after patellofemoral stabilization surgery with a minimum of 2-year follow-up was performed using a prospectively collected patellar instability registry. Patients were categorized as opioid naïve (n = 48) or preoperative opioid users (n = 12). Postoperative opioid use was assessed for all patients at 2 and 6 weeks. Knee Injury and Osteoarthritis Outcome Score (KOOS) and Kujala questionnaires were administered at baseline, and 6 months and 2 years postoperatively. RESULTS Preoperative opioid use was identified as an independent risk factor for postoperative opioid use at 2- and 6-weeks following surgery (p = 0.0023 and p < 0.0001, respectively). Preoperative opioid use was associated with significantly lower KOOS and Kujala scores at baseline, 6 months and 2 years postoperatively. Both groups significantly improved from baseline KOOS and Kujala scores at 6 months and 2 years postoperatively. Regardless of preoperative opioid use, opioid use at 6 weeks after surgery was associated with worse KOOS scores at 6 months and 2 years postoperatively. CONCLUSION In patients undergoing patellofemoral stabilization surgery, preoperative opioid use was predictive of postoperative use. Additionally, preoperative opioid use was associated with worse PROs at 6 months and 2 years following surgery. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Zain M Khazi
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Alan G Shamrock
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA.
| | - Christina Hajewski
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Natalie Glass
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Brian R Wolf
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Kyle R Duchman
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Robert W Westermann
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
| | - Matthew Bollier
- Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Dr., Iowa City, IA, 52242, USA
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Khazi ZM, Lu Y, Patel BH, Cancienne JM, Werner B, Forsythe B. Risk factors for opioid use after total shoulder arthroplasty. J Shoulder Elbow Surg 2020; 29:235-243. [PMID: 31495704 DOI: 10.1016/j.jse.2019.06.020] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 06/09/2019] [Accepted: 06/18/2019] [Indexed: 02/01/2023]
Abstract
HYPOTHESIS The purpose was to assess opioid use before and after anatomic and reverse total shoulder arthroplasty (TSA) and determine patient factors associated with prolonged postoperative opioid use. METHODS Patients undergoing primary TSA (anatomic or reverse) were identified within the Humana database from 2007 to 2015. Patients were categorized as opioid-naive patients who did not fill a prescription prior to surgery or those who filled opioid prescriptions within 3 months preoperatively (OU); the OU cohort was subdivided into those filling opioid prescriptions within 1 month preoperatively and those filling opioid prescriptions between 1 and 3 months preoperatively. The incidence of opioid use was evaluated preoperatively and longitudinally tracked for each cohort. Multivariate analysis was used to identify factors associated with opioid use at 12 months after surgery, with statistical significance defined as P < .05. RESULTS Overall, 12,038 patients (5180 in OU cohort, 43%) underwent primary TSA during the study period. Opioid use declined after the first postoperative month; however, the incidence of opioid use was significantly higher in the OU cohort than in the opioid-naive cohort at 1 year (31.4% vs. 3.1%, P < .0001). Subgroup analysis revealed a similar decline in postoperative opioid use for anatomic and reverse TSA (P < .0001 for both). Multivariate analysis identified chronic preoperative opioid use (ie, filling an opioid prescription between 1 and 3 months prior to surgery) as the strongest risk factor for opioid use at 12 months after anatomic and reverse TSA (P < .0001). CONCLUSION More than 40% of patients undergoing TSA received opioid medications within 3 months before surgery. Preoperative opioid use, age younger than 65 years, and fibromyalgia were independent risk factors for opioid use 1 year following anatomic and reverse TSA. Chronic preoperative opioid use conferred the highest risk of prolonged postoperative opioid use.
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Affiliation(s)
- Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Yining Lu
- Division of Sports Medicine, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Bhavik H Patel
- Division of Sports Medicine, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Jourdan M Cancienne
- Division of Sports Medicine, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Brian Werner
- Department of Orthopedic Surgery, University of Virginia, Charlottesville, VA, USA
| | - Brian Forsythe
- Division of Sports Medicine, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA.
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Baron JE, Khazi ZM, Duchman KR, Westermann RW. Risk Factors for Opioid Use After Patellofemoral Stabilization Surgery: A Population-Based Study of 1,316 Cases. Iowa Orthop J 2020; 40:37-45. [PMID: 33633506 PMCID: PMC7894058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
BACKGROUND Orthopaedic surgeons remain the third-highest group of opioid prescribers among physicians in the United States, accounting for 8% of all opioid prescriptions. The purpose of this study was to identify risk factors for opioid consumption and opioid prescription refills after patellofemoral stabilization surgery. We hypothesized that preoperative opioid use and younger age would be independent risk factors for postoperative opioid use. METHODS Patients undergoing primary patellar stabilization surgery between 2007-2017 in the Humana Inc. administrative claims database were identified using Current Procedural Terminology (CPT) codes for patellofemoral stabilization procedures (CPT-27420, 27422, 27427,27418). Patients were categorized into opioid naive (N-OU) and those who filled opioid prescriptions within 3 months prior to surgery (OU). Patients in the OU cohort were further categorized into those who filled prescriptions at 1-3 months before surgery (C-OU) and those who filled opioid prescriptions only in the month preceding surgery (A-OU). Descriptive statistics and multivariate analyses were performed to identify risk factors for postoperative opioid use at 3 and 12 months using the open-source R software (www.r-project.org) housed within PearlDiver. RESULTS A total of 1,316 eligible patients were included. One year postoperatively, there was a greater risk of opioid consumption in the OU cohort (OU vs N-OU: 22.2% vs 4.1%; Relative Risk [RR]: 1.233; 95% CI: 1.172- 1.298; P< 0.0001). C-OU (OR: 5.74; 95% CI: 3.75- 8.9; P< 0.0001), obesity (OR: 1.76; 95% CI: 1.14- 2.69; P = 0.0099), and preoperative diagnosis of depression or anxiety (OR: 1.83; 95% CI: 1.01- 3.25; P = 0.0435) were independent risk factors for opioid use at 12 months postoperatively. Younger age (age <30) was associated witha lower risk of opioid use at 3 months (OR: 0.3, 95% CI: 0.21- 0.44; P< 0.0001) and 12 months (OR: 0.29; 95% CI: 0.17- 0.46; P< 0.0001) postoperatively. CONCLUSIONS Preoperative opioid utilization significantly increased opioid prescription filling following patellofemoral stabilization surgery. Patient-specific variables including obesity and preoperatively diagnosed depression or anxiety also increased the risk of postoperative opioid utilization. Given the relatively young age and high activity level of patients undergoing patellofemoral stabilization surgery, heightened awareness of patient-specific factors must be considered when selecting appropriate pain management regimens postoperatively.Level of Evidence: III.
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Affiliation(s)
- Jacqueline E. Baron
- University of Iowa Hospitals & Clinics, Department of Orthopedics and Rehabilitation, Iowa City, Iowa, USA
| | - Zain M. Khazi
- University of Iowa Hospitals & Clinics, Department of Orthopedics and Rehabilitation, Iowa City, Iowa, USA
| | - Kyle R. Duchman
- University of Iowa Hospitals & Clinics, Department of Orthopedics and Rehabilitation, Iowa City, Iowa, USA
| | - Robert W. Westermann
- University of Iowa Hospitals & Clinics, Department of Orthopedics and Rehabilitation, Iowa City, Iowa, USA
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Cychosz C, Khazi ZM, Karam M, Duchman K, Willey M, Westermann R. Validation of a novel hip arthroscopy simulator: establishing construct validity. J Hip Preserv Surg 2019; 6:385-389. [PMID: 32015891 PMCID: PMC6990386 DOI: 10.1093/jhps/hnz059] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 10/17/2019] [Accepted: 10/18/2019] [Indexed: 12/24/2022] Open
Abstract
Hip arthroscopy (HA) is technically demanding and associated with a prolonged learning curve. Recently, arthroscopic simulators have been developed to anatomically model various joints including the knee, shoulder and hip. The purpose of this study is to validate a novel HA simulator. Twenty trainees and one sports medicine fellowship-trained orthopaedic surgeon at a single academic institution were recruited to perform a diagnostic HA procedure using the VirtaMed ArthroS hip simulator. Trainee characteristics, including level of training, general arthroscopy experience and hip specific arthroscopy experience, were gathered via questionnaire. For the purpose of this study, participants were categorized as novice (<25), intermediate (25–74) or experienced (≥75) based on the number of prior arthroscopies performed. Various performance metrics, including composite score, time and camera path length were recorded for each attempt. Metrics were analyzed categorically using ANOVA tests with significance set to P < 0.05. Composite performance score in the novice cohort was 114.5 compared with 146.4 and 151.5 in the intermediate and experienced cohorts (P = 0.0019), respectively. Novice arthroscopists performed the simulated diagnostic arthroscopy procedure in an average time of 321 s compared with 202 s and 181 s in the intermediate and experienced cohorts (P < 0.002), respectively. Cartilage damage and simulator safety score did not differ significantly between groups (P = 0.775). Simulator composite score and procedure time showed strong correlation with year of training (r = 0.65 and −0.70, respectively) and number of arthroscopies performed (r = 0.65 and −0.72). The ArthroS hip simulator shows good construct validity and performance correlates highly with total number of arthroscopic cases reported during training.
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Affiliation(s)
- Christopher Cychosz
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Matthew Karam
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Kyle Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Michael Willey
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
| | - Robert Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA 52242, USA
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Khazi ZM, Lu Y, Shamrock AG, Duchman KR, Westermann RW, Wolf BR. Opioid use following shoulder stabilization surgery: risk factors for prolonged use. J Shoulder Elbow Surg 2019; 28:1928-1935. [PMID: 31401129 DOI: 10.1016/j.jse.2019.05.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 02/01/2023]
Abstract
HYPOTHESIS The purpose of this study was to determine the rate of opioid use before and after shoulder stabilization surgery for instability due to recurrent dislocation and assess patient factors associated with prolonged opioid use postoperatively. METHODS Patients undergoing primary shoulder stabilization procedures for shoulder instability due to recurrent dislocation were accessed from the Humana administrative claims database. Patients were categorized as those who filled 1 or more opioid prescriptions within 1 month, those who filled opioid prescriptions between 1 and 3 months, and those who never filled opioid prescriptions before surgery. Rates of opioid use were evaluated preoperatively and longitudinally tracked for each group. Multiple binomial logistic regression analysis was used to identify factors associated with opioid use at 3 months and 1 year after surgery. RESULTS Overall, 4802 patients (45.9% opioid naive) underwent shoulder stabilization surgery for shoulder instability during the study period. Rates of opioid use significantly declined after the first postoperative month; however, at 1 year, the rate of opioid use was significantly greater in patients who filled opioid prescriptions preoperatively (13.4% vs. 1.9%, P < .0001). Filling opioid prescriptions 1 to 3 months prior to surgery was the strongest risk factor for opioid use at 1 year after surgery. CONCLUSIONS Patients who were prescribed opioids 1 to 3 months before surgery had the highest risk of prolonged opioid use following surgery. Obesity, tobacco use, and a preoperative diagnosis of fibromyalgia were independently associated with prolonged opioid use following surgery.
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Affiliation(s)
- Zain M Khazi
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Yining Lu
- Division of Sports Medicine, Midwest Orthopedics at Rush, Rush University Medical Center, Chicago, IL, USA
| | - Alan G Shamrock
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Kyle R Duchman
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Robert W Westermann
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Brian R Wolf
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
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Barton C, Scott E, Khazi ZM, Willey M, Westermann R. Outcomes of Surgical Management of Borderline Hip Dysplasia: A Systematic Review. Iowa Orthop J 2019; 39:40-48. [PMID: 32577106 PMCID: PMC7047291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND Multiple reports have detailed clinical outcomes in surgically treated patients with borderline hip dysplasia. The purpose of this systematic review was to define patient outcomes following these surgical interventions. METHODS Searches were developed using an iterative process of gathering and evaluating terms. Comprehensive strategies including both index and keyword methods were devised for the following databases: PubMed, Embase, and Cochrane CENTRAL. Independent review and data abstraction was performed by two authors. Inclusion criteria were clear delineation of outcomes for patients with borderline hip dysplasia (Lateral center edge angle (LCEA) 18-25°) and outcomes following hip arthroscopy and/ or periacetabular osteotomy (PAO), including patient reported outcomes (PROs), revision arthroscopy, and conversion to Total Hip Arthroplasty. Exclusion criteria included alternative surgical procedures including "shelf" or "salvage" osteotomies, studies without patient outcomes or clearly delineated results for patients with borderline dysplasia, inclusion of <5 borderline patients, or inadequate follow-up defined as < 12 months. RESULTS Thirteen of 2109 articles met inclusion criteria for full data analysis. 505 patients (mean age 29.6 years, 67.7% female) with borderline dysplasia (mean LCEA 22.3°) were treated with hip arthroscopy. The majority of studies reported outcomes using the modified Harris Hip Score (mHHS) and Hip Outcome Score Sports Specific Subscale (HOS-SSS); all showed post-operative improvement with mean increase of 21.0 and 26.8 points, respectively. Revision arthroscopy rate was 7.5% (31/412), and a total hip arthroplasty conversion rate was 4.0% (18/455). The average combined total reoperation rate was 13.7% (69/505). CONCLUSION Arthroscopic management of borderline hip dysplasia is associated with meaningful improvement in PRO scores. However, there appears to be a high reoperation rate including both arthroscopic and open revision procedures. There is a paucity of studies reporting outcomes of PAO in patients with borderline hip dysplasia.Level of evidence: Systematic review of Level III and Level IV studies.
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Affiliation(s)
- Cameron Barton
- Department of Orthopedics and Rehabilitation, The University of Iowa, Iowa City, IA USA
| | - Elizabeth Scott
- Department of Orthopedics and Rehabilitation, The University of Iowa, Iowa City, IA USA
| | - Zain M Khazi
- Department of Orthopedics and Rehabilitation, The University of Iowa, Iowa City, IA USA
| | - Michael Willey
- Department of Orthopedics and Rehabilitation, The University of Iowa, Iowa City, IA USA
| | - Robert Westermann
- Department of Orthopedics and Rehabilitation, The University of Iowa, Iowa City, IA USA
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