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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_8 | Pages 11 - 11
1 Aug 2020
Selley R Butler B Hartwell M Johnson D Terry M Tjong V
Full Access

Orthopaedic surgeons frequently use opioids for peri-operative pain management and there is considerable variability in the amount prescribed between surgeons. As such, the appropriate number of opioids to prescribe for specific procedures is often unknown. Leftover prescription opioids are at risk for diversion to family and friends for nonmedical use. The aim of this study was to determine the optimal amount of narcotics to prescribe postoperatively for patients undergoing hip arthroscopy.

23 consecutive patients were enrolled. All patients were prescribed 60 tablets of hydrocodone/acetaminophen 10/325 postoperatively as part of a multimodal pain management strategy. Patients were called at 14 and 21 days post-operatively to tabulate the number of pills used and knowledge of how to properly dispose of pills.

The median number of narcotic pain pills required was 6 (IQR: 3,15). Over half of patients (56.5%) required ≤10 narcotic pain pills postoperatively. A large number of narcotic tablets (1071/1380, 77.6%) were unused and a small percentage of patients (8/23, 34.8%) were aware of proper disposal techniques. Knowledge of how to properly dispose of unused narcotics was protective against a prolonged duration of narcotic use postoperatively (Parameter estimate −5.7, 95% CI: −11.3, −0.1, p = 0.045).

Reducing the number of prescribed narcotic tablets to 25 would meet the post-operative pain demands of over 85% of hip arthroscopy patients. More judicious post-operative prescribing patterns and patient education regarding disposal may help minimize physician contribution to opioid misuse, overuse and diversion.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_7 | Pages 103 - 103
1 Jul 2020
Sheth U Nelson P Kwan C Tjong V Terry M
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Traditionally, open reduction and internal fixation (ORIF) and hemiarthroplasty (HA) have been the surgical treatments of choice for displaced proximal humerus fractures (PHF) despite high rates of fixation failure and tuberosity nonunion, especially in the elderly population with poor bone quality. Recently, there has been a significant increase in the use of reverse total shoulder arthroplasty (RTSA) as a treatment option in both acute fractures, as well as a salvage procedure for fracture sequelae (i.e., malunion, nonunion, fixation failure, tuberosity non-union). Despite the growing enthusiasm it remains unknown whether functional outcomes after RTSA as a salvage procedure are similar to those following acute RTSA. As a result, the purpose of this systematic review was to compare functional outcomes after RTSA as a primary versus salvage procedure for displaced PHF in the elderly.

A literature search of the electronic databases EMBASE, MEDLINE, and PubMed was conducted to identify all studies comparing RTSA as a primary treatment for displaced PHF and as a salvage procedure for failed initial management. Only studies with a minimum follow-up of two years were included. Data pertaining to range of motion, patient reported outcome measures and complications were extracted from eligible studies and entered into a meta-analysis software package (RevMan version 5.1, The Cochrane Collaboration) for pooled analysis. The Newcastle-Ottawa Scale (NOS) was used to evaluate the quality of eligible studies.

The search identified four studies consisting of 200 patients with a mean age of 73.3 years and a mean follow-up of 3.2 years. There were a total of 76 patients (75% female) who underwent acute RTSA following displaced PHF, while 124 patients (77% female) required salvage RTSA for failure of initial treatment. Primary RTSA was found to have significantly higher American Shoulder and Elbow (ASES) (P = 0.04), Constant (P = 0.01) and University of California at Los Angeles (UCLA) (P = 0.0004) scores compared to salvage RTSA. Forward flexion (P = 0.001) and external rotation (P< 0.0001) were significantly greater amongst those undergoing RTSA acutely versus as a salvage procedure. The odds of having a complication (e.g., infection, dislocation, fracture) were 76% lower amongst those who had primary RTSA compared to salvage RTSA (P = 0.02). The overall quality of eligible studies was moderate to high.

Based on the current available evidence, elderly patients with displaced PHF have significantly greater range of motion, higher patient reported outcomes and lower risk of complications with primary RTSA compared to those undergoing RTSA as a salvage procedure. Additional prospective studies are warranted to confirm these findings.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_7 | Pages 21 - 21
1 Jul 2020
Hartwell M Nelson P Johnson D Nicolay R Christian R Selley R Tjong V Terry M
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Recent studies have described safe outcomes for short-stays in the hospital after total shoulder arthroplasty. The purpose of this study is to identify pre-operative and operative risk factors for hospital admissions exceeding 24 hours.

The American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database was queried from 2006 to 2016 for the current procedural terminology (CPT) billing code related to total shoulder arthroplasty. Patients were then grouped as either having a length of stay (LOS) equal to or less than 24 hours or greater than 24 hours. Patients admitted to the hospital prior to the day of surgery were excluded. Patient demographics, co-morbidities, and operative time were then analyzed as risk factors for a hospital stay exceeding 24 hours. Pre-operative co-morbidities included body mass index (BMI), diabetes, smoking, chronic obstructive pulmonary disease (COPD), congestive heart failure (CHF), hypertension, dialysis, chronic steroid or immunosuppressant use, bleeding disorders, and American Society of Anesthesiologists (ASA) Classification. Univariate and multivariate analyses were then performed to identify risk factors associated with 30-day readmission.

14,339 patients met inclusion criteria and 6,507 (45.3%) had a hospital LOS less than or equal to 24 hours. The mean length of hospitalization was 1.95 ± 1.88 days, the average age was 69 ± 9.7 years old, and 56.9% of the patients were female. Following a risk adjusted multivariate analysis, increasing age (odds ratio [OR], 1.03, 95% confidence interval [CI], 1.02–1.03), ASA classification (OR, 1.50, 95% CI, 1.41–1.60), diabetes (OR, 1.69, 95% CI, 1.43–1.99), COPD (OR, 1.35, 95% CI, 1.16–1.57), CHF (OR, 2.67, 95% CI, 1.34–5.33), dialysis (OR, 2.47, 95% CI, 1.28, 4.77), history of a bleeding disorder (OR, 1.50, 95% CI, 1.20–1.88), or increasing operative time (OR, 1.01, 95% CI, 1.01–1.01) were identified as independent risk factors for hospital lengths of stay exceeding 24 hours. Male gender was identified as a protective factor for prolonged hospitalization (OR, 0.50, 95% CI, 0.46–0.53).

This study identifies patient demographics, co-morbidities, and operative-relative risk factors that are associated with increased risk for a prolonged hospitalization following total shoulder arthroplasty. Female gender, increasing age, ASA classification, operative time, or a history of diabetes, COPD, CHF, or history of a bleeding disorder are risk factors hospitalizations exceeding 24 hours.


Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_7 | Pages 72 - 72
1 Jul 2020
Nicolay R Selley R Johnson D Terry M Tjong V
Full Access

Malnutrition is an important consideration during the perioperative period and albumin is the most common laboratory surrogate for nutritional status. The purpose of this study is to identify if preoperative serum albumin measurements are predictive of infection following arthroscopic procedures.

Patients undergoing knee, shoulder or hip arthroscopy between 2006–2016 were identified in the American College of Surgeons National Surgical Quality Improvement Program database. Patients with an arthroscopic current procedural terminology code and a preoperative serum albumin measurement were included. Patients with a history of prior infection, including a non-clean wound class, pre-existing wound infection or systemic sepsis were excluded. Independent t-tests where used to compare albumin values in patients with and without the occurrence of a postoperative infection. Pre-operative albumin levels were subsequently evaluated as predictors of infection with logistic regression models.

There were 31,906 patients who met the inclusion criteria. The average age was 55.7 years (standard deviation (SD) 14.62) and average BMI was 31.7 (SD 7.21). The most prevalent comorbidities were hypertension (49.2%), diabetes (18.4%) and smoking history (16.9%). The average preoperative albumin was 4.18 (SD 0.42). There were 45 cases of superficial infection (0.14%), 10 cases of wound dehiscence (0.03%), 17 cases of deep infection (0.05%), 27 cases of septic arthritis or other organ space infection (0.08%) and 95 cases of any infection (0.30%). The preoperative albumin levels for patients who developed septic arthritis (mean difference (MD) 0.20, 95% CI, 0.038, 0.35, P = 0.015) or any infection (MD 0.14, 95% CI 0.05, 0.22, P = 0.002) were significantly lower than the normal population. Additionally, disseminated cancer, Hispanic race, inpatient status and smoking history were significant independent risk factors for infection, while female sex and increasing albumin were protective towards developing any infection. Rates of all infections were found to increase exponentially with decreasing albumin. The relative risk of infection with an albumin of 2 was 3.46 (95% CI, 2.74–4.38) when compared to a normal albumin of 4. For each albumin increase of 0.69, the odds of developing any infection decreases by a factor of 0.52.

This study suggests that preoperative serum albumin is an independent predictor of septic arthritis and all infection following elective arthroscopic procedures. Although the effect of albumin on infection is modest, malnutrition may represent a modifiable risk factor with regard to preventing infection following arthroscopy.


Orthopaedic Proceedings
Vol. 98-B, Issue SUPP_21 | Pages 16 - 16
1 Dec 2016
Tjong V Cogan C Knesek M Nair R Kahlenberg C Terry M
Full Access

Previous authors have suggested that the analgesic effects of intra-articular morphine may be beneficial. Clonidine has been found to potentiate the analgesic effect of morphine. Following knee arthroscopy, morphine has demonstrated equivocal effect in comparison to bupivicaine for analgesia while circumventing the issue of chondrotoxicity. There have been no studies evaluating the effect of intra-articular morphine following hip arthroscopy. The purpose of this study was to evaluate the efficacy of intra-articular morphine in combination with clonidine on pain and narcotic consumption following hip arthroscopy surgery for femoroacetabular impingement.

A retrospective review was performed on 43 patients that underwent hip arthroscopy between September 2014 and May 2015 at our institution for femoroacetabular impingement. All patients received preoperative Celebrex and Tylenol per our anesthesia protocol, and 22 patients received an additional intra-articular injection of 10 mg morphine and 100 mcg of clonidine at the conclusion of the procedure. Narcotic consumption, duration of anesthesia recovery, and perioperative pain scores were compared between the two groups.

We found that patients who received intra-articular morphine and clonidine used significantly less opioid analgesic in the PACU, with 23 mEq of morphine equivalents required in the intra-articular morphine and clonidine group compared to 40 mEq of opiod equivalents in the non-injection group (p=0.0259). There were no statistically significant differences in time spent in recovery prior to discharge or in VAS pain scores recorded immediately post-operatively and at one hour following surgery.

In conclusion, we found that an intraoperative intra-articular injection of morphine and clonidine significantly reduced the amount of narcotic requirement following hip arthroscopy. We do believe that there may be significant benefits to this, including less systemic effects from overall narcotic usage in the perioperative period. Our study demonstrated a beneficial effect of intra-articular morphine that may help with overall pain improvement, less narcotic consumption, and improved patient satisfaction following outpatient hip arthroscopy. This study provides the foundation for future research currently being conducted in a randomised-control setting.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 72 - 72
1 Sep 2012
Cohen D Cartwright-Terry M Pope J Davidson J Santini A
Full Access

Purpose

To review the outcomes of patients undergoing manipulation under anaesthetic (MUA) after primary total knee arthroplasty (TKA) and predict those that may require such a procedure.

Methods

Prospective analysis of patients who required MUA post TKA performed by two surgeons using the same prosthesis from 2003 to 2008. Compared to a control group of primary TKA matched for age, gender and surgeon. All patients in both groups had pre- and post-operative measurements of range of movement. Risk factors were identified including warfarin and statin use, diabetes and body mass index.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXIX | Pages 106 - 106
1 Jul 2012
Cartwright-Terry M Cohen D Pope J Davidson J Santini A
Full Access

Purpose

To review the outcomes of patients undergoing manipulation under anaesthetic (MUA) after primary total knee arthroplasty (TKA) and predict those that may require such a procedure.

Methods

We prospectively analysed all patients who required MUA post TKA performed by 2 surgeons using the same prosthesis from 2003 to 2008 and compared them to a control group of primary TKA matched for age, gender and surgeon. All patients in both groups had pre- and post-operative measurements of range of movement. In addition risk factors were identified including warfarin and statin use, diabetes and body mass index.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_I | Pages 6 - 6
1 Jan 2011
Cartwright-Terry M Miah A Savage R
Full Access

The Patient Evaluation Measure (PEM) was designed at the Derby consensus meeting in 1995. It was validated for Carpal Tunnel Syndrome (CTS) in 2005 (Hobby et al) and was preferable to the DASH score for CTS assessment. We aimed to audit CTS treated by surgical decompression in our unit using the PEM, and to compare our results with the published literature.

Thirty consecutive patients undergoing carpal tunnel decompression were questioned about one hand. Patients completed a preoperative PEM and a postoperative PEM at 3 months.

Mean PEM scores improved from 41.3 to 23.9 (P< 0.001). Individual questions showed statistically significant improvements in mean scores: Feeling in the hand, Cold intolerance, Pain, Dexterity, Movement and Hand in general (all P< 0.001): Work (P< 0.005): ADL (P< 0.01): Movements, Grip and Appearance (P< 0.05). Our results are similar to previously published series, both overall, and for individual questions in the PEM.

Results for Carpal Tunnel Decompression in our unit match those of other units. We found the PEM was easy to use; and effective, both in the assessment of patients with CTS, and for outcome measurement following surgical decompression. Our study supports the idea that the PEM could be used widely as an audit tool, to assist Hand Surgeon and/or Hand Surgery Unit Appraisal.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_III | Pages 417 - 417
1 Jul 2010
Cartwright-Terry M Ahmed A McNicholas MJ
Full Access

Aim: To report outcomes of high tibial osteotomies (HTO) in the treatment of patients with symptomatic varus-osteoarthritic knees.

Methods: Fourteen patients had a medial opening wedge HTO between 2001–2008. Twelve were male, mean age 42.2 years (range 33–49). Follow-up range 8–72 (mean 31 months). Six had simultaneous ACL reconstruction (one a revision another part of multiligament reconstruction). X-rays were taken at follow-up at 6, 12, 24, 36 and 52 weeks. Patients had pre- and post-operative KOOS assessment.

Results: All patients achieved a pain free leg with radiological evidence of union at mean 4.7 months (range 3–9). Two major complications occurred in one patient (PE and sensory neuropraxia). Minor complications in three patients: cellulitis, donor site infection, 1cm limb length discrepancy. Six patients required 7 further procedures: 2 arthroscopic chondral debridements, 2 microfractures and 3 arthroplasties. Tibial knee varus angles improved from mean 4.7° to 0.28°. KOOS scores improved in all domains: pain 28.5 to 52.8 (P< 0.01), symptoms 30.4 to 48.2 (P< 0.01), ADL 31.3 to 54.4 (P< 0.05), sport and recreation 2.5 to 7.5 P=0.125 and QOL 4.69 to 17.2 (P< 0.05). Kaplan-Meier survival analysis with failure defined as conversion to TKR shows a survivorship of 78.8% at 3 years.

Conclusions: Young patients with medial compartment osteoarthritis can have improved pain and function after HTO.

Better results are reported in the literature. However, some papers suggest osteotomies have been carried out in relatively asymptomatic patients and others accept significant pain in longer follow-up intervals without their patient cohorts having been offered alternative pain relieving strategies, such as chondral resurfacing or arthroplasty.

Patients require careful counselling that they will not achieve normal function and have a high incidence of need for further intervention.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_III | Pages 455 - 455
1 Sep 2009
Cartwright-Terry M Moorehead J Bowey A Scott S
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Leg length discrepancy (LLD) is a recognised complication of total hip arthroplasty. LLDs can cause abnormal weight bearing, leading to increased wear, aseptic loosening of replacement hips and pain. To compensate for LLDs the patient can either flex the knee of the long leg or tilt their pelvis. The aim of this project was to investigate how stance affects static limb loading of patients with leg length discrepancy.

A pedobarograph was used to measure the limb loading of 20 normal volunteers aged 19 to 60. A 2 second recording with both feet on was taken to establish their body weight. Readings were taken of the left foot with the right level, 3.5cm lower (simulating a long left leg) and 3.5cm higher. In each case three readings were taken with the knee flexed and three readings with the knee extended.

When both feet were at the same level, the left limb took 54% of the load.

When the right foot was lower and the left knee flexed, the left leg took 39 % of the load (P < 0.001) (paired t-test). When the left knee was extended the left leg took 49 % of the load (P = 0.074).

With the right foot higher and right knee flexed, the left leg took 65 % of the load (P < 0.001). When the right knee was extended the left leg took 58 % of the load (P = 0.069).

These results show that weight distribution is increased in the simulated shorter limb. Loading is greater when the longer limb is flexed. Tilting the pelvis reduced the load. However this may cause pelvic and spinal problems.

Uneven load distribution is likely to lead to early fatigue when standing and may explain why some post arthroplasty patients with limb length discrepancy have poor outcomes.