Despite growing interest from both patients and healthcare providers, there is little clinical guidance on how mobile apps should be utilized to add value to patient care. We categorize apps according to their functionality (e.g. preventative behavior change, digital self-management of a specific condition, diagnostic) and discuss evidence for effectiveness from published systematic reviews and meta-analyses and the relevance to patient care. We discuss the limitations of the current literature describing clinical outcomes from mHealth apps, what FDA clearance means now (510(k)/de novo FDA clearance) and in the future. We discuss data security and privacy as a major concern for patients when using mHealth apps. Patients are often not involved in the development of mobile health guidelines, and professionals' views regarding high-quality health apps may not reflect patients' views. We discuss efforts to develop guidelines for the development of safe and effective mHealth apps in the US and elsewhere and the role of independent app reviews sites in identifying mHealth apps for patient care. There are only a small number of clinical scenarios where published evidence suggests that mHealth apps may improve patient outcomes.
Background: Multiple operative techniques have been developed for hallux valgus with varying success. The most recent developments in minimally invasive surgery have evolved into the third-generation minimally invasive chevron Akin (MICA) osteotomy. Good results have been shown from originator centers, but this is one of the first series from a nonoriginator center, and the first to use a validated patient-reported outcome measure. Methods: Forty consecutive patients undergoing third-generation MICA for hallux valgus were included. Primary outcome measures included Manchester-Oxford Foot Questionnaire (MOXFQ) and American Orthopaedic Foot & Ankle Society (AOFAS) scores and Coughlin satisfaction rates at 12 months. Secondary outcome measures included radiographic parameters, complications, and recurrence rates. Results: At 12 months, the MOXFQ score improved from 58 to 10 and the AOFAS score improved from 48 to 93, with 70% of patients reporting excellent outcomes and 30% good ones. Two cases started as mild, 29 cases as moderate, and 9 cases as severe as defined by radiographic criteria. Hallux valgus angles improved from 32 degrees to 12 degrees, and intermetatarsal angles improved from 13 degrees to 7 degrees. There were 4 cases of Akin screw removal for soft tissue irritation. There were no other complications, including recurrence. Conclusion: The third-generation MICA technique was a safe and effective approach to treating hallux valgus. Further research should focus on long-term outcomes and comparative data with other commonly performed operative techniques. Level of Evidence: Level IV, case series.
The optimal management and long-term outcomes of olecranon fractures in the paediatric population is not well understood. This systematic review aims to analyse the literature on the management of paediatric olecranon fractures and the long-term implications. A systematic review of several databases was conducted according to PRISMA guidelines. English-language studies evaluating the management of isolated paediatric olecranon fractures were included. Data extracted included demographics, classifications, conservative and operative treatment methods and outcomes. Fifteen articles fitting the inclusion criteria were included. There were 11 case series and four retrospective comparative series. The reported studies included 299 fractures in 280 patients. The mechanism of injury was predominantly low energy. Fractures displaced < 4 mm were treated non-operatively with almost universally good results, with the majority being treated with cast immobilization. Fractures displaced > 4 mm were commonly treated operatively with generally good results, with tension band wire and suture fixation being the most common treatment modalities. Weight > 50 kg was associated with failure of suture fixation. In those studies that reported olecranon fractures with associated elbow injuries (e.g. radial head fractures) outcomes were poorer. Forty-six fractures were in patients with osteogenesis imperfecta, who sustained a higher rate of re-fracture after removal of metalwork and contralateral olecranon fracture. Despite a relatively low evidence base pool of studies, the aggregate data support the non-operative treatment of isolated undisplaced olecranon fractures with good results, and support the operative treatment of fractures displaced ≥ 4 mm. Cite this article: EFORT Open Rev 2020;5:280-288. DOI: 10.1302/2058-5241.5.190082
Background and purpose Supine computed tomography scanogram (CTS) is a commonly used alternative to weight bearing long leg plain radiograph (LLR) in measuring knee alignment. No published studies have validated its use in the native knee and the post-unicompartmental replacement knee (UKR). We quantified the difference in measurements obtained from CTS and LLR for knee alignment.Patients and methods Supine CT scanograms and weight bearing long leg plain anteroposterior radiographs were obtained for 40 knees (in 25 patients), 17 of which were native, and 23 of which were post-UKR. The mechanical and anatomical axes of the tibio-femoral joint were measured. Bland-Altman plots were used to calculate the 1.96 standard deviation limits of agreement between CTS and LLR. Intraclass correlation was used to assess intra-rater and inter-rater reliability (where values > 0.81 indicate very good reliability).Results CTS and LLR were equally reliable in measurement of the mechanical and anatomical axes of the tibio-femoral joint (intraclass correlation coefficient (ICC) > 0.9 for all parameters). Statistically significant and clinically relevant differences were found between CTS and LLR in measurement of the mechanical axis (limits of agreement: UKR −3.2° to 6.3°; native −3.2° to 5.6°) and the anatomical axis (limits of agreement: UKR −3.7° to 8.7°; native −2.0° to 8.8°).Interpretation Although it is a reliable tool, CTS is not necessarily an accurate one for measurement of knee alignment when compared to LLR. We recommend that CTS should not be used as a substitute for LLR in measurement of the mechanical or anatomical axes of the knee.
Thumb carpometacarpal joint (CMCJ) arthritis is a common and painful condition. Thumb CMCJ prosthetic replacement aims to restore thumb biomechanics and improve pain and function. Early reviews demonstrated a lack of high-quality studies, but more recently a significant number of higher-quality studies have been published. This review provides a concise and systematic overview of the evidence to date. A systematic review of several databases was conducted according to PRISMA guidelines. Studies evaluating the outcomes of thumb CMCJ prosthetic total joint replacement were included. Data extracted included patient-reported outcome measures (PROMs), pain scores, range of motion, strength, survival rates and complications. A total of 56 studies met all inclusion criteria and were analysed. There was one randomized controlled trial, three prospective comparative cohort studies, five retrospective comparative cohort studies, and 47 descriptive cohort studies. The reported studies included 2731 patients with 3048 thumb total CMCJ prosthetic joint replacements. Follow up ranged from 12 months to 13.1 years. In general, good results were demonstrated, with improvements in PROMs, pain scores and strength. Failure rates ranged from 2.6% to 19.9% depending upon implant studied. Comparative studies demonstrated promising results for replacement when compared to resection arthroplasty, with modest improvements in PROMs but at a cost of increased rates of complications. Studies reporting outcomes in thumb CMCJ prosthetic total joint replacement are increasing in both number and quality. Failure, in terms of loosening and dislocation, remains a concern, although in the medium-term follow up for modern implants this issue appears to be lower when compared to their predecessors. Functional outcomes also look promising compared to resection arthroplasty, but further high-quality studies utilizing a standardized resection arthroplasty technique and modern implants, together with standardized core outcome sets, will be of value. Cite this article: EFORT Open Rev 2021;6:316-330. DOI: 10.1302/2058-5241.6.200152
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