A Novel Case of Recurrent Hemarthrosis Following Knee Arthroscopy in a Patient with Undiagnosed Hemophilia.
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SUBMITTER: Levy BJ
PROVIDER: S-EPMC7283926 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Recurrent hemarthrosis is a rare complication after total knee arthroplasty (TKA). Its incidence is reported as less than 1%. Most patients present with acute knee pain and swelling in the absence of trauma, resulting in significant loss of function. The authors report a case of recurrent hemarthrosis in a 64-year-old female. She presented with repeated episodes of sudden-onset right knee pain, swelling, and bruising at 18 months after a right TKA. During revision knee surgery, the recurrent hemarthrosis was identified to have been caused by entrapment of hypertrophied knee synovium under the TKA tibial base plate. After excision of the synovial tissue and cementing of the tibial defect, the patient recovered well after surgery with no future recurrences of knee pain and swelling.
| S-EPMC8184407 | biostudies-literature
Project description:Pigmented villonodular synovitis (PVNS) is a benign proliferative joint disease, which is a rare finding after total knee arthroplasty (TKA). There is currently no link between PVNS and TKA, and it has been described infrequently in the literature. Its presentation has varied along with the time that it presents postoperatively. We describe a case of a patient who presents with recurrent hemarthrosis 4 years after TKA. The patient had no previous history of PVNS and had an arthroscopy 1 year after the index operation with no evidence of synovitis. We present details of the first case with a review of imaging and pathology and a brief review of the literature on PVNS occurring after TKA.
| S-EPMC6287230 | biostudies-literature
Project description:Knee arthroscopy is an important diagnostic and therapeutic tool in the management of disorders of the knee. In a series of 4 articles, the basics of knee arthroscopy are reviewed. In this article (part 1), patient positioning, tourniquet placement, and draping are reviewed. Meticulous attention to these details allows surgical access to the compartments of the knee. A circumferential leg holder or a lateral post allows the application of varus and valgus forces to open the medial and lateral compartments of the knee.
| S-EPMC4040008 | biostudies-literature
Project description:IntroductionNontuberculous mycobacterial (NTM) infections of the musculoskeletal system are uncommon. Such infections are typically acquired by direct inoculation after penetrating trauma, surgical procedures, or needle injections. There are no reported cases of NTM infection after arthrocentesis for idiopathic hemarthrosis of the knee. Here we report a case of NTM infection in the knee that developed after arthrocentesis for idiopathic hemarthrosis of the knee.Presentation of caseThe patient was an 85-year-old woman who experienced swelling of the left knee. An arthrocentesis was carried out, and hemarthrosis was found. The patient was referred to our hospital for repeated recurrence of hematoma of the knee. Significant swelling was observed in the suprapatellar sac. Magnetic resonance imaging examination revealed a mass at the suprapatellar sac. Laboratory data showed elevation of inflammatory markers. Debridement was performed under arthroscopy and samples were collected for culture. Although routine microbiological cultures were negative, the patient continued to experience knee swelling and laboratory data showed high C-reactive protein levels. Therefore, open debridement was carried out. At 4 weeks after the first surgical treatment, intraoperative cultures yielded Mycobacterium intracellulare. At this point, we diagnosed septic arthritis of the knee due to NTM infection. The patient showed an excellent prognosis with three-drug medical treatment for 1 year.ConclusionClinically, diagnosis of septic arthritis due to NTM infection is not easy. Because selection of examination depends on clinical suspicion, NTM infections should be considered for patients with elevation of inflammatory markers after episodes of surgical procedures, and/or needle injections.
| S-EPMC8102867 | biostudies-literature
Project description:Knee arthroscopy is an important diagnostic and therapeutic tool in the management of disorders of the knee. In a series of 4 articles, the basics of knee arthroscopy are reviewed. In this article (part 3), step-by-step diagnostic arthroscopy is reviewed. Diagnostic arthroscopy is a crucial skill for diagnosing intra-articular disorders of the knee including meniscal, synovial, ligamentous, and articular cartilage pathology. Mastery of the basic diagnostic arthroscopy is a critical tool for orthopaedic surgeons treating disorders of the knee.
| S-EPMC4040015 | biostudies-literature
Project description:IntroductionIn countries with restricted access to clotting factor concentrates, early implementation of low-dose prophylaxis is recommended over episodic treatment.ObjectiveThe objective of this 1-year prospective secondary prophylaxis study was to evaluate the efficacy of a dose/frequency escalating protocol in young boys with hemophilia A in China.MethodsBoys were started on a low-dose protocol (minimum 10-15 IU/kg of factor VIII [FVIII] twice weekly). Escalation was based on index joint bleeding, swelling/persistent joint swelling, and serial ultrasound (gray scale and color Doppler) examinations of index joints.ResultsThirty-three boys, median age 4.8 years (interquartile range, 3.8-6.1) were enrolled in a 3-month observation period that preceded a 1-year prophylaxis phase. A significant reduction in total bleeding events (43.0%, P = .001), index joint bleeds (53.2%, P = .002), and target index joint bleeds (70.0%, P = 0.02) was observed during the prophylaxis phase. During the prophylaxis period, 40% of target joints resolved. The percentage of boys with zero index joint bleeds increased significantly (P = .004) from 51.5% during the observation phase to 81.8% in last quarter of the prophylaxis phase (months 10-12). There was no progression of arthropathy based on physical examination (Hemophilia Joint Health Score), X-ray, and ultrasound obtained at entry into the prophylaxis phase and at study exit. The median FVIII consumption over the prophylaxis phase was 1786 IU/kg/y.ConclusionA low-dose, individualized prophylaxis protocol, guided by individual bleeding profiles and serial assessment of joint status, enables escalation of treatment intensity in boys with severe hemophilia A, leading to a significant reduction in bleeding events and reduction in target joint bleeding.
| S-EPMC8449287 | biostudies-literature
Project description:PurposeThe purpose of this study was to evaluate orthopaedic surgery resident case volume and variability for adult and pediatric knee arthroscopy from 2016 to 2020.MethodsThe Accreditation Council for Graduate Medical Education surgical case log data from 2016 to 2020 for graduating United States orthopaedic surgery residents were analyzed. The average number of total (adult and pediatric), adult, and pediatric knee arthroscopy cases were compared from 2016 to 2020. The 10th and 90th percentiles of case volumes for adult and pediatric knee arthroscopy procedures were compared from 2016 to 2020 to determine caseload variability.ResultsThere was an 18% increase in pediatric knee arthroscopy cases between 2016 and 2020 (average: 13.9 ± 10 to 16.4 ± 13; P < .005), a 5.4% decrease in adult knee arthroscopy cases (100 ± 45 to 94.6 ± 47; P < .027), and a 2.6% decrease in total knee arthroscopy (113.9 ± 47 to 111 ± 51; P = .264) cases. There was an 11-fold difference in the number of pediatric knee arthroscopy cases performed between the 10th and 90th percentile of residents in 2020 (3 vs 33 cases, respectively), a 3.28-fold difference for adult knee arthroscopy (47 vs 154, respectively), and a 2.98-fold difference for total knee arthroscopy (59 vs 176, respectively).ConclusionsPediatric knee arthroscopy comprises a small yet growing percentage of total knee arthroscopy case volume of graduating orthopaedic surgery residents. However, wide variability in resident exposure is present and likely masked by the abundance of adult cases performed each year.Clinical relevanceThe findings presented in this study may assist in optimizing arthroscopy resident education. Existing ACL reconstruction and knee arthroscopy case minimum requirements could be updated to include a set number of pediatric cases. These changes might help reduce case volume variability and discrepancies in resident education.
| S-EPMC8689256 | biostudies-literature
Project description:Biventricular stress cardiomyopathy is one of several known anatomical variants of reversible cardiomyopathies to occur. We present a case of a young patient with recurrent stress cardiomyopathy complicated by cardiogenic shock in the perioperative period. The cardiomyopathy observed was in a patient with neurofibromatosis type I and undiagnosed pheochromocytoma who presented for intervention of hydrocephalus. This case demonstrates the importance of vigilance in the young patient who develops shock in the perioperative period.
| S-EPMC8195023 | biostudies-literature
Project description:Replacement therapy with coagulation factor VIII (FVIII) products concurrent with bleeds (on-demand) in hemophilia A (HA) patients, seems to increase the risk for developing anti-drug antibodies (i.e. inhibitors). A danger signal environment characterized by tissue damage and inflammation at the site of a bleed is thought to contribute to the anti-FVIII response. The nature of this inflammatory reaction is however not fully known. The purpose of this study was to characterize the inflammatory response, locally and systemically, during the first 24h following a knee joint bleed in the HA rat. HA rats received either a needle induced knee joint bleed (n=83) or a sham procedure (n=41). Blood samples were collected at selected time-points from 0-24h post injury/sham. Synovial fluid as well as intra-articular knee tissue and popliteal lymph nodes were collected at 24h. Cytokine and chemokine concentrations and mRNA gene expression on tissue samples were measured. Gene expression analysis revealed a rapid inflammatory response in the injured knees, accompanied by significantly increased levels of specific gene products in the synovial fluid; IL-1β, TNFα, KC/GRO, IL-6, Eotaxin, MCP-1, MCP-3, MIP-1α, MIP-2, RANTES, A2M and AGP. Plasma analysis demonstrated significantly increased systemic levels of KC/GRO, IL-6 and AGP in the blood of injured rats, already few hours following the injury. In conclusion, a rapid pro-inflammatory response, both locally and systemically, characteristic of innate immunity, was demonstrated following an induced knee joint bleed in the HA rat. Results reveal a more comprehensive inflammatory picture than previously shown, with resemblance to human hemophilic arthropathy.
2017-12-01 | GSE85051 | GEO
Project description:Purpose:To quantify the use of 5 mg oxycodone by patients who have undergone knee arthroscopy. Methods:Patients who underwent knee arthroscopy at 2 institutions between May 2018 and May 2019 were identified retrospectively. Patients were called and queried about the following metrics: total postoperative opioid consumption, preoperative opioid consumption (defined as within 3 months of surgery), smoking status, and history of depression. The total number of opioids prescribed and number of refills were determined according to each patient's chart. State databases were reviewed for additional opioid prescriptions. Results:A total of 100 patients were included in this study. Patients were prescribed a median of 5 pills (range, 5 to 40). Median postoperative opioid consumption was 0 pills, with a mean of 1.9 pills (14.3 oral morphine equivalents) and a range of 0 to 25 pills of oxycodone 5 mg. Of the patients, 97% did not obtain refills, and 58% of the patients did not consume any opioids. Overall, 90% of all patients consumed ? 5 pills. Conclusions:Of the patients, 90% o consumed 5 or fewer opioid pills (oxycodone 5 mg) following knee arthroscopy, with more than half of the patients consuming 0 pills. As a result, we recommend that 5 oxycodone 5 mg pills serve as an objective guideline for opioid prescription following knee arthroscopy. Level of Evidence:Level IV, retrospective case series.
| S-EPMC7190545 | biostudies-literature