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Brain Hemorrhages Dec 2021In addition to the deleterious effects Covid-19 has on the pulmonary and cardiovascular systems, COVID-19 can also result in damage to the nervous system. This review... (Review)
Review
INTRODUCTION
In addition to the deleterious effects Covid-19 has on the pulmonary and cardiovascular systems, COVID-19 can also result in damage to the nervous system. This review aims to explore current literature on the association between COVID-19 and intracranial hemorrhage (ICH).
METHODS
We conducted a systematic review of PubMed for literature published on COVID-19 and ICH. Ninety-four of 295 screened papers met inclusion criteria.
RESULTS
The literature addressed incidence and mortality of ICH associated with Covid-19. It also revealed cases of COVID-19 patients with subarachnoid hemorrhage, intraparenchymal hemorrhage, subdural hematomas, and hemorrhage secondary to cerebral venous thrombosis and ischemic stroke. ICH during COVID-19 infections was associated with increased morbidity and mortality. Risk factors for ICH appeared to be therapeutic anticoagulation, ECMO, and mechanical ventilation. Outcomes varied widely, depending on the severity of COVID-19 infection and neurologic injury.
CONCLUSION
Although treatment for severe Covid-19 infections is often aimed at addressing acute respiratory distress syndrome, vasculopathy, and coagulopathy, neurologic injury can also occur. Evidence-based treatments that improve COVID-19 mortality may also increase risk for developing ICH. Providers should be aware of potential neurologic sequelae of COVID-19, diagnostic methods to rule out other causes of ICH, and treatment regimens.
PubMed: 34786548
DOI: 10.1016/j.hest.2021.11.003 -
North American Spine Society Journal Mar 2024Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a potentially devastating complication after surgery. Spine surgery is... (Review)
Review
BACKGROUND
Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a potentially devastating complication after surgery. Spine surgery is associated with an increased risk of postoperative bleeding, such as spinal epidural hematomas (SEH), which complicates the use of anticoagulation. Despite this dilemma, there is a lack of consensus around perioperative VTE prophylaxis. This systematic review investigates the relationship between chemoprophylaxis and the incidence rates of VTE and SEH in the elective spine surgical population.
METHODS
A comprehensive literature search was performed using PubMed, Embase, and Cochrane databases to identify studies published after 2,000 that compared VTE chemoprophylaxis use in elective spine surgery. Studies involving patients aged < 18 years or with known trauma, cancer, or spinal cord injuries were excluded. Pooled incidence rates of VTE and SEH were calculated for all eligible studies, and meta-analyses were performed to assess the relationship between chemoprophylaxis and the incidences of VTE and SEH.
RESULTS
Nineteen studies met our eligibility criteria, comprising a total of 220,932 patients. The overall pooled incidence of VTE was 3.2%, including 3.3% for DVT and 0.4% for PE. A comparison of VTE incidence between patients that did and did not receive chemoprophylaxis was not statistically significant (OR 0.97, p=.95, 95% CI 0.43-2.19). The overall pooled incidence of SEH was 0.4%, and there was also no significant difference between patients that did and did not receive chemoprophylaxis (OR 1.57, p=.06, 95% CI 0.99-2.50).
CONCLUSIONS
The use of perioperative chemoprophylaxis may not significantly alter rates of VTE or SEH in the elective spine surgery population. This review highlights the need for additional randomized controlled trials to better define the risks and benefits of specific chemoprophylactic protocols in various subpopulations of elective spine surgery.
PubMed: 38204918
DOI: 10.1016/j.xnsj.2023.100295 -
Journal of Clinical and Translational... Jun 2022Lymph node transfer surgery (LNTS) is indicated in secondary lymphedema (LE) patients who do not respond to conservative therapy. Animal models are the spearhead of LE... (Review)
Review
BACKGROUND AND AIM
Lymph node transfer surgery (LNTS) is indicated in secondary lymphedema (LE) patients who do not respond to conservative therapy. Animal models are the spearhead of LE research and were used to pioneer most of the surgical interventions currently in practice. We conducted a systematic review of the literature to explore animal models dedicated to LNTS to compare different species, techniques, and outcomes.
METHODS
Four databases were searched: PubMed, Cumulative Index of Nursing and Allied Health Literature, Scopus, and Web of Science. We used the Preferred Reporting Items for Systematic Reviews and Meta-Analysis as our basis of organization.
RESULTS
Avascular lymph node graft (ALNG) and vascularized lymph node transfer (VLNT) effectively treated LE and lead to better outcomes than controls. Whole ALNGs are superior to fragmented ALNGs. Larger fragments are more likely to be reintegrated into the lymphatic system than small fragments. VLNT was superior to whole and fragmented ALNG. Increasing the number of VLNT resulted in better outcomes. Adipose-derived stem cells improved outcomes of VLNT; vascular endothelial growth factor C and D and platelet-rich plasma improved outcomes for ALNG. Cryopreservation of lymph nodes (LNs) did not affect outcomes for ALNG. The critical ischemia and venous occlusion time for LN flaps were 4-5 and 4 h, respectively. The critical time for reperfusion injury was 2 h. Some of the novel models included venous LNT, and cervical adipocutaneous flap to groin.
CONCLUSION
Current evidence from animals favors VLNT over other surgical interventions. Several pharmacological therapies significantly improved outcomes of ALNG and VLNT.
RELEVANCE TO PATIENTS
LE is a chronic condition affecting millions of patients worldwide. LNTS is becoming more popular as a LE treatment. Animal models have led the LE research for decades and developing new models for LE are essential for LE research. This systematic review aims to summarize the existing animal models dedicated to LNTS. We believe that this review is critical to guide researchers in the selection of the model that is best fit for their hypothesis-driven experiments.
PubMed: 35813893
DOI: No ID Found -
BMC Musculoskeletal Disorders Jun 2023Total knee arthroplasty (TKA) in patients with osteoarthritis (OA) are considered to be a successful procedure, but with little being known about outcomes in patients... (Meta-Analysis)
Meta-Analysis
PURPOSE
Total knee arthroplasty (TKA) in patients with osteoarthritis (OA) are considered to be a successful procedure, but with little being known about outcomes in patients with rheumatoid arthritis (RA). The aim of this study was to compare the outcomes of TKA in patients with RA versus OA.
METHODS
Data were obtained from PubMed, Cochrane Library, EBSCO and Scopus for all available studies comparing the outcomes of THA in RA and OA patients (From January 1, 2000 to October 15, 2022). Outcomes of interest included infection, revision, venous thromboembolism (VTE), mortality, periprosthetic fractures, prosthetic loosening, length of stay, and satisfaction. Two reviewers independently assessed each study for quality and extracted data. The quality of the studies was scored using the Newcastle-Ottawa scale (NOS).
RESULTS
Twenty-four articles with a total 8,033,554 patients were included in this review. The results found strong evidence for increased risk of overall infection (OR = 1.61, 95% CI, 1.24-2.07; P = 0.0003), deep infection (OR = 2.06, 95% CI, 1.37-3.09; P = 0.0005), VTE (OR = 0.76, 95% CI, 0.61-0.93; P = 0.008), pulmonary embolism (PE) (OR = 0.84, 95% CI, 0.78-0.90; P<0.00001), periprosthetic fractures (OR = 1.87, 95% CI, 1.60-2.17; P<0.00001); and reasonable evidence for increased risk of deep venous thrombosis (DVT) (OR = 0.74, 95% CI, 0.54-0.99; P = 0.05), and length of stay (OR = 0.07, 95% CI, 0.01-0.14; P = 0.03) after TKA in patients with RA versus OA. There were no significant differences in superficial site infection (OR = 0.84,95% CI, 0.47-1.52; P = 0.57), revision (OR = 1.33,95% CI, 0.79-2.23; P = 0.28), mortality (OR = 1.16,95% CI, 0.87-1.55; P = 0.32), and prosthetic loosening (OR = 1.75, 95% CI, 0.56-5.48; P = 0.34) between the groups.
CONCLUSION
Our study demonstrated that patients with RA have a higher risk of postoperative infection, VTE, periprosthetic fracture, and lengths of stay, but did not increase revision rate, prosthetic loosening and mortality compared to patients with OA following TKA. In conclusion, despite RA increased incidence of postoperative complications, TKA should continue to be presented as an effective surgical procedure for patients whose conditions are intractable to conservative and medical management of RA.
Topics: Humans; Arthroplasty, Replacement, Knee; Periprosthetic Fractures; Venous Thromboembolism; Arthritis, Rheumatoid; Osteoarthritis; Postoperative Complications
PubMed: 37312069
DOI: 10.1186/s12891-023-06601-9 -
Medicine Dec 2017Bazedoxifene may be promising to treat osteoporosis of postmenopausal women. We conducted a systematic review and meta-analysis to explore the efficacy and safety of... (Meta-Analysis)
Meta-Analysis Review
INTRODUCTION
Bazedoxifene may be promising to treat osteoporosis of postmenopausal women. We conducted a systematic review and meta-analysis to explore the efficacy and safety of bazedoxifene in postmenopausal women with osteoporosis.
METHODS
PubMed, EMbase, Web of science, EBSCO, and Cochrane library databases were systematically searched. Randomized controlled trials (RCTs) assessing the effect of bazedoxifene on osteoporosis of postmenopausal women were included. Two investigators independently searched articles, extracted data, and assessed the quality of included studies. The primary outcomes were vertebral fracture and spine BMD at 3 and 7 years.
RESULTS
Four RCTs are included in the meta-analysis. Overall, compared with placebo intervention in postmenopausal women with osteoporosis, bazedoxifene intervention can significantly reduce the risk of vertebral fracture [risk risks (RRs) = 0.69; 95% confidence interval (95% CI) = 0.52-0.93; P = .01], and increase spine BMD at 3 years (Std. mean difference = 1.71; 95% CI = 1.55-1.87; P < .005) and 7 years (Std. mean difference = 8.31; 95% CI = 8.07-8.55; P < .005). Bazedoxifene intervention results in no increase in adverse events (RR = 1.00; 95% CI = 0.99-1.00; P = .34), serious adverse events (RR = 1.04; 95% CI = 0.97-1.12; P = .31), myocardial infarction (RR = 0.88; 95% CI = 0.51-1.52; P = .64), stroke (RR = 0.97; 95% CI = 0.64-1.46; P = .87), venous thromboembolic event (RR = 1.56; 95% CI = 0.92-2.64; P = .10), and breast carcinoma (RR = 1.03; 95% CI = 0.59-1.79; P = .92).
CONCLUSIONS
Compared with placebo intervention for the osteoporosis of postmenopausal women, bazedoxifene intervention is found to significantly reduce the incidence of vertebral fracture and increase spine BMD at 3 and 7 years, and results in no increase in adverse events, serious adverse events, myocardial infarction, stroke, venous thromboembolic event, and breast carcinoma.
Topics: Bone Density; Bone Density Conservation Agents; Female; Humans; Indoles; Middle Aged; Osteoporosis, Postmenopausal; Osteoporotic Fractures; Randomized Controlled Trials as Topic; Spinal Fractures; Spine; Time Factors; Treatment Outcome
PubMed: 29245225
DOI: 10.1097/MD.0000000000008659 -
Neonatology 2023Deep medullary vein (DMV) thrombosis is a rare cause of brain damage in both preterm and full-term neonates. In this study, we aimed to collect data on clinical and...
BACKGROUND
Deep medullary vein (DMV) thrombosis is a rare cause of brain damage in both preterm and full-term neonates. In this study, we aimed to collect data on clinical and radiological presentation, treatment, and outcome of neonatal DMV thrombosis.
METHODS
Systematic literature review on neonatal DMV thrombosis was carried out in PubMed, ClinicalTrial.gov, Scopus, and Web of Science up to December 2022.
RESULTS
Seventy-five published cases of DMV thrombosis were identified and analysed (preterm newborns were 46%). Neonatal distress, respiratory resuscitation, or need for inotropes were present in 34/75 (45%) of patients. Signs and symptoms at presentation included seizures (38/75, 48%), apnoea (27/75, 36%), lethargy or irritability (26/75, 35%). At magnetic resonance imaging (MRI), fan-shaped linear T2 hypointense lesions were documented in all cases. All had ischaemic injuries, most often involving the frontal (62/74, 84%) and parietal lobes (56/74, 76%). Signs of haemorrhagic infarction were present in 53/54 (98%). Antithrombotic treatment was not mentioned in any of the studies included. Although mortality was low (2/75, 2.6%), a large proportion of patients developed neurological sequelae (intellectual disability in 19/51 [37%] and epilepsy in 9/51 [18%] cases).
CONCLUSIONS
DMV thrombosis is rarely identified in the literature, even if it is possibly under-recognized or under-reported. Presentation in neonatal age is with seizures and non-specific systemic signs/symptoms that often cause diagnostic delay, despite the pathognomonic MRI picture. The high rate of morbidity, which determines significant social and health costs, requires further in-depth studies aimed at earlier diagnosis and evidence-based prevention and therapeutic strategies.
Topics: Humans; Infant, Newborn; Delayed Diagnosis; Magnetic Resonance Imaging; Brain Injuries; Thrombosis; Seizures
PubMed: 37379822
DOI: 10.1159/000530647 -
Hip International : the Journal of... Nov 2023Hip fractures represent 1 of the most common injuries in older adults. They are associated with increased perioperative morbidity and mortality. Additionally, current... (Meta-Analysis)
Meta-Analysis
INTRODUCTION
Hip fractures represent 1 of the most common injuries in older adults. They are associated with increased perioperative morbidity and mortality. Additionally, current research suggests that SARS-COV-2 infection may worsen the prognosis of the hip fracture patients who undergo hip fixation. The aims of the present study were: (1) to determine the rate of specific adverse events including VTE (venous thromboembolism) and major adverse cardiovascular events (MACEs) in patients with hip fracture and concomitant SARS-CoV-2 infection undergoing surgery; and (2) to examine if the aforementioned population is at increased risk for VTE and MACEs, when compared to SARS-CoV-2 free patients with hip fracture.
METHODS
PubMed, EMBASE, Cochrane, Web of Science, Google scholar and medRxiv were searched from March 2020 to January 2021 for English language studies with patients suffering from hip fractures and SARS-COV-2 -CoV-2. 2 researchers were involved in the data extraction and the quality assessment of the studies respectively.
RESULTS
The literature search yielded a total of 1256 articles of which 14 were included in the systematic review and 7 in the meta-analysis respectively. The estimated pooled rate for VTE and MACE were 4.3% and 6.3% respectively. Patients with hip fracture and concomitant SARS-CoV-2 infection who undergo surgery are at increased risk for VTE, when compared to SARS-CoV-2 free patients (odds ratio 2.8 [95% CI, 1.1-7.1]). These patients are also at increased risk for MACE postoperatively as indicated by the odds ratio 2.4 (95% CI, 1.0-5.8). The quality of the studies was moderate.
CONCLUSIONS
Although there is a lack of high-quality data it seems that patients with hip fractures and concomitant SARS-CoV-2 infection are facing a 2.8 and 2.4 times increased risk for VTE and MACE.
Topics: Humans; Aged; Venous Thromboembolism; COVID-19; SARS-CoV-2; Arthroplasty, Replacement, Hip; Hip Fractures
PubMed: 36285337
DOI: 10.1177/11207000221132489 -
F1000Research 2013There is considerable practice variation and clinical uncertainty about the choice of prophylaxis for preventing venous thromboembolism in patients with traumatic brain...
OBJECTIVE
There is considerable practice variation and clinical uncertainty about the choice of prophylaxis for preventing venous thromboembolism in patients with traumatic brain injury. We performed a systematic review to assess both the effectiveness and safety of pharmacologic and mechanical prophylaxis, and the optimal time to initiate pharmacologic prophylaxis in hospitalized patients with traumatic brain injury.
DATA SOURCES AND STUDY SELECTION
MEDLINE®, EMBASE®, SCOPUS, CINAHL, International Pharmaceutical Abstracts, clinicaltrial.gov, and the Cochrane Library were searched in July 2012 to identify randomized controlled trials and observational studies reporting on the effectiveness or safety of venous thromboembolism prevention in traumatic brain injury patients.
DATA EXTRACTION
Paired reviewers extracted detailed information from included articles on standardized forms and assessed the risk of bias in each article.
DATA SYNTHESIS
Twelve studies (2 randomized controlled trials and 10 cohort studies) evaluated the effectiveness and safety of venous thromboembolism prophylaxis in patients with traumatic brain injury. Five of the included studies assessed the optimal timing of initiation of pharmacological prophylaxis. Low grade evidence supports the effectiveness of enoxaparin over control in reducing deep vein thrombosis. Low grade evidence also supports the safety of unfractionated heparin over control in reducing mortality in patients with traumatic brain injury. Evidence was insufficient for remaining comparisons and outcomes including the optimal timing of initiation of pharmacoprophylaxis.
CONCLUSION
There is some evidence that pharmacoprophylaxis improves deep vein thromboses and mortality outcomes in patients hospitalized with traumatic brain injury. Additional studies are required to strengthen this evidence base.
PubMed: 25309725
DOI: 10.12688/f1000research.2-132.v1 -
Journal of Thrombosis and Haemostasis :... Oct 2014Thrombosis is a common pathology underlying ischemic heart disease, ischemic stroke, and venous thromboembolism (VTE). The Global Burden of Diseases, Injuries, and Risk... (Review)
Review
Thrombosis is a common pathology underlying ischemic heart disease, ischemic stroke, and venous thromboembolism (VTE). The Global Burden of Diseases, Injuries, and Risk Factors (GBD) Study 2010 documented that ischemic heart disease and stroke collectively caused one in four deaths worldwide. GBD 2010 did not report data for VTE as a cause of death and disability. We performed a systematic review of the literature on the global disease burden caused by VTE in low-income, middle-income and high-income countries. Studies from western Europe, North America, Australia and southern Latin America (Argentina) yielded consistent results, with annual incidence rates ranging from 0.75 to 2.69 per 1000 individuals in the population. The incidence increased to between 2 and 7 per 1000 among those aged ≥ 70 years. Although the incidence is lower in individuals of Chinese and Korean ethnicity, their disease burden is not low, because of population aging. VTE associated with hospitalization was the leading cause of disability-adjusted life-years (DALYs) lost in low-income and middle-income countries, and the second most common cause in high-income countries, being responsible for more DALYs lost than nosocomial pneumonia, catheter-related bloodstream infections, and adverse drug events. VTE causes a major burden of disease across low-income, middle-income and high-income countries. More detailed data on the global burden of VTE should be obtained to inform policy and resource allocation in health systems, and to evaluate whether improved utilization of preventive measures will reduce the burden.
Topics: Adult; Aged; Aged, 80 and over; Cardiovascular Diseases; Ethnicity; Female; Global Health; Hospitalization; Humans; Incidence; Male; Middle Aged; Poverty; Prevalence; Thrombosis
PubMed: 25302663
DOI: 10.1111/jth.12698 -
The Journal of Spinal Cord Medicine Mar 2023Patients with spinal cord injury (SCI) are at high risk for venous thromboembolism (VTE). The risk factors for VTE in patients with SCI are complex. (Meta-Analysis)
Meta-Analysis
CONTEXT
Patients with spinal cord injury (SCI) are at high risk for venous thromboembolism (VTE). The risk factors for VTE in patients with SCI are complex.
OBJECTIVE
This meta-analysis was conducted to clarify the risk factors for VTE in patients with SCI.
METHODS
The Cochrane Library, PubMed, EBSCO, Web of Science, China National Knowledge Infrastructure (CNKI), China Biomedical Literature Database (CBM), Wanfang Med Data Database, and VIP Database were searched to identify studies reporting on risk factors for VTE in patients with SCI.
RESULTS
The meta-analysis included 25 studies. Findings showed that risk of VTE in patients with SCI was significantly associated with middle- and old-age (OR = 2.08, 95%CI, 1.47, 2.95), male sex (OR = 1.41, 95%CI, 1.26, 1.59), complete paralysis (OR = 3.69, 95%CI, 2.60, 5.24), personal/family history of venous thrombosis (OR = 1.95, 95%CI, 1.35, 2.81), history of smoking (OR = 2.67, 95%CI, 1.79, 3.98), lack of compression therapy (OR = 2.44, 95%CI, 1.59, 3.73), presence of lower limb/pelvic fracture (OR = 3.47, 95%CI, 1.79, 6.75), paraplegia (OR = 1.81, 95%CI, 1.49, 2.19), and diabetes (OR = 4.24, 95%CI, 2.75, 6.52).
CONCLUSION
The meta-analysis identified 9 risk factors for VTE in patients with SCI. Healthcare providers should be aware of the risk factors for VTE when rehabilitating patients with SCI.
Topics: Humans; Male; Venous Thromboembolism; Spinal Cord Injuries; Incidence; Venous Thrombosis; Risk Factors; Fractures, Bone
PubMed: 33890837
DOI: 10.1080/10790268.2021.1913561