scholarly journals PREOPERATIVE ASSESSMENT OF PRIMARY VARICOSE VEINS OF LOWER LIMBS BY DUPLEX COLOR DOPPLER ULTRASOUND: A VALIDATION STUDY

2020 ◽  
pp. 30-32
Author(s):  
Biant Singh ◽  
Manpreet Kour ◽  
Shwetabh Pradhan
Keyword(s):  
Diagnostic Accuracy ◽  
Varicose Veins ◽  
Color Doppler ◽  
Clinical Manifestations ◽  
Preoperative Assessment ◽  
Clinical Problem ◽  
Venous Hypertension ◽  
Lower Limbs ◽  
Predictive Values ◽  
Sensitivity Specificity

INTRODUCTION: Varicose veins comprises a significant clinical problem representing underlying chronic venous insufficiency with ensuing venous hypertension leading to broad spectrum of clinical manifestations. MATERIALS AND METHOD: Our study is based on evaluation of 125 limbs in 103 patients of lower extremity symptomatic varicose veins. After establishing the nature of venous incompetence and abnormality on both clinical and duplex ultrasonography, patients were subjected to surgery and sensitivity, specificity, positive and negative predictive values and diagnostic accuracy was calculated based on operative assessments and findings. RESULTS: Non invasive diagnostic evaluation with duplex sonography in our study proved it to be suitable procedure when sensitivity, specificity and diagnostic accuracy was assesed. CONCLUSION: We conclude that in comparison to the cumbersome clinical assessments alone, the combination of clinical with Doppler duplex ultrasounds, proved to be more suitable and reliable procedures in avoiding the inappropriate surgeries.

Clinical-anamnestic analysis of the course and treatment of benign and borderline epithelial ovarian tumors

2016 ◽  
pp. 86-93
Author(s):  
M.Yu. Yegorov ◽  
◽  
A.A. Sukhanova ◽  
Keyword(s):  
Varicose Veins ◽  
Clinical Manifestations ◽  
Abnormal Uterine Bleeding ◽  
Abdominal Distension ◽  
Ovarian Tumors ◽  
Lower Limbs ◽  
Benign Tumors ◽  
Age Group ◽  
Venous Disorders ◽  
Serous Tumors

The objective: study the features of gynecological, physical history, diagnosis and treatment of patients with benign epithelial ovarian tumors (BeEOT) and borderline epithelial ovarian tumors (BEOT), determining the frequency of recurrence of ovarian tumors in the postoperative period. Patients and methods. According to a retrospective analysis of case histories of 112 women with epithelial ovarian tumors (EOT) underwent conservative or radical surgical treatment in a hospital, two groups were formed: I group – patients with benign epithelial ovarian tumors (BeEOT), which amounted to 85 (75.9%) women, and group II – patients with borderline epithelial ovarian tumors (BEOT), which amounted to 27 (24.1%) women. It was found that the main complaints of patients with EOT were pain (49.1%), abdominal distension (17%), and abnormal uterine bleeding (12.5%). The highest incidence of BeEOT (31.8%) observed in the age group of 41–50 years, while the peak incidence of BEOT (44.4%) corresponds to the age group of 51–60 years. Results. In BEOT endocrine pathology occurs significantly more frequently (p<0.05) than in BeEOT – 25.9% vs. 9.4%, respectively. Pathology of pancreatic-hepatobiliary system occurs significantly more frequently (p<0.05) in patients with BEOT compared with BeEOT – 81.5% versus 57.6%, respectively. Venous disorders (varicose veins of the pelvic organs, lower limbs, haemorrhoids) observed in BEOT significantly more frequently (p<0.05) than in BeEOT – 18.5% vs. 5.9%, respectively. EOT most often diagnosed in the period from 1 to 6 months after the first clinical manifestations with an average uptake of medical care 4.6±0.57 months. In assessing of peritoneal exudate cytogram the mesothelium cells are significantly more common for BeEOT (p<0.01) than BEOT – 79.4% versus 40.9%, respectively. Cervicitis is more likely significantly to occur in BeEOT (p<0.01) than in BEOT – 29.4% vs. 7.4%, respectively. The most common histological type among the benign tumors of the ovaries are endometriomas, which occurred in 48.2% of all BeEOT cases, and among the borderline tumors – serous tumors, which accounted for 59.3% of all BEOTs. Conclusion. The use of organ sparing surgery in EOT increases the risk of recurrence, especially in the case of endometrial histology or borderline variant of tumor. Key words: benign and borderline epithelial ovarian tumors, clinical-anamnestic analysis, diagnosis, treatment.

scholarly journals Understanding Chronic Venous Disease: A Critical Overview of Its Pathophysiology and Medical Management

2021 ◽  
Vol 10 (15) ◽  
pp. 3239
Author(s):  
Miguel A. Ortega ◽  
Oscar Fraile-Martínez ◽  
Cielo García-Montero ◽  
Miguel A. Álvarez-Mon ◽  
Chen Chaowen ◽  
...  
Keyword(s):  
Inflammatory Responses ◽  
Current Knowledge ◽  
Varicose Veins ◽  
Clinical Signs ◽  
Clinical Manifestations ◽  
Significant Loss ◽  
Venous Hypertension ◽  
Chronic Venous Disease ◽  
Venous Disease ◽  
Environmental Agents

Chronic venous disease (CVD) is a multifactorial condition affecting an important percentage of the global population. It ranges from mild clinical signs, such as telangiectasias or reticular veins, to severe manifestations, such as venous ulcerations. However, varicose veins (VVs) are the most common manifestation of CVD. The explicit mechanisms of the disease are not well-understood. It seems that genetics and a plethora of environmental agents play an important role in the development and progression of CVD. The exposure to these factors leads to altered hemodynamics of the venous system, described as ambulatory venous hypertension, therefore promoting microcirculatory changes, inflammatory responses, hypoxia, venous wall remodeling, and epigenetic variations, even with important systemic implications. Thus, a proper clinical management of patients with CVD is essential to prevent potential harms of the disease, which also entails a significant loss of the quality of life in these individuals. Hence, the aim of the present review is to collect the current knowledge of CVD, including its epidemiology, etiology, and risk factors, but emphasizing the pathophysiology and medical care of these patients, including clinical manifestations, diagnosis, and treatments. Furthermore, future directions will also be covered in this work in order to provide potential fields to explore in the context of CVD.

DIAGNOSTIC ACCURACY OF GRAY SCALE ULTRASONOGRAPHY VERSUS COLOR DOPPLER IN SUSPECTED CASES OF ACUTE APPENDICITIS

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Tahir Iqbal ◽  
Muhammad Usman Shahid ◽  
Ishfaq Ahmad Shad ◽  
Shahzad Karim Bhatti ◽  
Syed Amir Gilani ◽  
...  
Keyword(s):  
Acute Appendicitis ◽  
Positive Predictive Value ◽  
Diagnostic Accuracy ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Color Doppler ◽  
Diagnostic Tools ◽  
Gray Scale ◽  
Versus Color ◽  
Sensitivity Specificity

ABSTRACT: BACKGROUND: A common surgical emergency is acute appendicitis. Various diagnostic tools are available to diagnosis acute appendicitis. Radiological investigations play an important role in making accurate and early diagnosis and thus preventing morbidity associated with the disease. OBJECTIVE: To determine the diagnostic accuracy of gray scale ultrasonography versus color Doppler in suspected cases of acute appendicitis. MATERIALS AND METHODS: The study was carried in the department of Radiology of Mayo Hospital, Lahore. A total of 75 patients were enrolled of age 18-40 years, both genders who were suspected cases of acute appendicitis. All patients underwent baseline investigations along with gray scale ultrasonography and color Doppler. All patients were subjected to surgery to confirm the diagnosis and findings were subjected to statistical analysis. RESULTS: The mean age of the patients was 23.25 ±10.55 and mean transverse diameter of appendix was 8.37 ±3.39. There were 62.7% males and 37.3%females. Findings of gray scale ultrasonography and color Doppler were then correlated with surgical findings to calculate the diagnostic accuracy of these modalities. The results revealed that gray scale ultrasonography sensitivity, specificity, positive predictive value, negative predictive value and accuracy was 92.7%, 94.32%, 95%, 91.4% and 93.3% respectively, whereas color Doppler had sensitivity, specificity, positive predictive value, negative predictive value and accuracy of 97.7%, 93.9%, 95.3%, 97% and 96% respectively. Diagnostic accuracy of both modalities together was 98.6%. CONCLUSION: Color Doppler has better diagnostic accuracy than gray scale ultrasonography for diagnosis of acute appendicitis and the combination of both modalities yields diagnostic accuracy that is similar to gold standard.

scholarly journals A Study of the Diagnostic Accuracy of an Existing Multivariable Test to Predict Shoulder Dystocia

2019 ◽  
Vol 09 (03) ◽  
pp. e262-e267
Author(s):  
Henry Alexander Easley ◽  
Todd Michael Beste
Keyword(s):  
Diagnostic Accuracy ◽  
Prediction Model ◽  
Study Design ◽  
False Positive ◽  
False Positive Rate ◽  
Shoulder Dystocia ◽  
The Other ◽  
Predictive Values ◽  
Positive Rate ◽  
Sensitivity Specificity

Objectives To evaluate the diagnostic accuracy of a multivariable prediction model, the Shoulder Screen (Perigen, Inc.), and compare it with the American College of Obstetricians and Gynecologists (ACOG) guidelines to prevent harm from shoulder dystocia. Study Design The model was applied to two groups of 199 patients each who delivered during a 4-year period. One group experienced shoulder dystocia and the other group delivered without shoulder dystocia. The model's accuracy was analyzed. The performance of the model was compared with the ACOG guideline. Results The sensitivity, specificity, positive, and negative predictive values of the model were 23.1, 99.5, 97.9, and 56.4%, respectively. The sensitivity of the ACOG guideline was 10.1%. The false-positive rate of the model was 0.5%. The accuracy of the model was 61.3%. Conclusion A multivariable prediction model can predict shoulder dystocia and is more accurate than ACOG guidelines.

scholarly journals Feasibility and Validity of Computed Tomography-Derived Fractional Flow Reserve in Patients With Severe Aortic Stenosis

2020 ◽  
Author(s):  
Michael Michail ◽  
Abdul-Rahman Ihdayhid ◽  
Andrea Comella ◽  
Udit Thakur ◽  
James D. Cameron ◽  
...  
Keyword(s):  
Aortic Stenosis ◽  
Diagnostic Accuracy ◽  
Operating Characteristic ◽  
Severe Aortic Stenosis ◽  
Characteristic Curve ◽  
Fractional Flow ◽  
Predictive Values ◽  
Flow Reserve ◽  
Artery Disease ◽  
Sensitivity Specificity

Background: Coronary artery disease is common in patients with severe aortic stenosis. Computed tomography-derived fractional flow reserve (CT-FFR) is a clinically used modality for assessing coronary artery disease, however, its use has not been validated in patients with severe aortic stenosis. This study assesses the safety, feasibility, and validity of CT-FFR in patients with severe aortic stenosis. Methods: Prospectively recruited patients underwent standard-protocol invasive FFR and coronary CT angiography (CTA). CTA images were analyzed by central core laboratory (HeartFlow, Inc) for independent evaluation of CT-FFR. CT-FFR data were compared with FFR (ischemia defined as FFR ≤0.80). Results: Forty-two patients (68 vessels) underwent FFR and CTA; 39 patients (92.3%) and 60 vessels (88.2%) had interpretable CTA enabling CT-FFR computation. Mean age was 76.2±6.7 years (71.8% male). No patients incurred complications relating to premedication, CTA, or FFR protocol. Mean FFR and CT-FFR were 0.83±0.10 and 0.77±0.14, respectively. CT calcium score was 1373.3±1392.9 Agatston units. On per vessel analysis, there was positive correlation between FFR and CT-FFR (Pearson correlation coefficient, R =0.64, P <0.0001). Sensitivity, specificity, positive predictive value, and negative predictive values were 73.9%, 78.4%, 68.0%, and 82.9%, respectively, with 76.7% diagnostic accuracy. The area under the receiver-operating characteristic curve for CT-FFR was 0.83 (0.72–0.93, P <0.0001), which was higher than that of CTA and quantitative coronary angiography ( P =0.01 and P <0.001, respectively). Bland-Altman plot showed mean bias between FFR and CT-FFR as 0.059±0.110. On per patient analysis, the sensitivity, specificity, positive predictive, and negative predictive values were 76.5%, 77.3%, 72.2%, and 81.0% with 76.9% diagnostic accuracy. The per patient area under the receiver-operating characteristic curve analysis was 0.81 (0.67–0.95, P <0.0001). Conclusions: CT-FFR is safe and feasible in patients with severe aortic stenosis. Our data suggests that the diagnostic accuracy of CT-FFR in this cohort potentially enables its use in clinical practice and provides the foundation for future research into the use of CT-FFR for coronary evaluation pre-aortic valve replacement.

Causes of recurrent lower limb varicose veins after surgical interventions in 141 limbs – Five-year retrospective analysis of two centers

Vascular ◽  
2013 ◽  
Vol 22 (4) ◽  
pp. 267-273 ◽  
Author(s):  
Wang Rui Hua ◽  
Meng Qing Yi ◽  
Wu Xue Jun ◽  
Jin Xing ◽  
Liu Zhao Xuan ◽  
...  
Keyword(s):  
Lower Limb ◽  
Varicose Veins ◽  
Color Doppler ◽  
Color Doppler Ultrasound ◽  
Lower Limbs ◽  
Venous Reflux ◽  
Surgical Interventions ◽  
Venous Valves ◽  
Second Surgery ◽  
Clinical Changes

Aim The purpose of this study was to explore the causes of recurrent lower limb varicose veins after surgical interventions. Methods A retrospective five-year survey was conducted on patients who underwent second surgery due to recurrent lower limb varicose veins after surgical interventions. A total of 141 limbs (112 cases), including 72 cases of left lower limbs, 47 of right lower limbs and 22 of both limbs, were involved in the study. All patients underwent lower limb venography (141 limbs were anterograde and 28 cases were retrograde), and then examined with color-Doppler ultrasound. Results The major causes that urged patients to undergo second surgery are clinical changes graded above CEAP IV (93.6%), limb edema without changes on skin (5%), and single varicosity (1.4%). Up to 127 (83%) limbs exhibited perforating venous reflux, 67 (47.5%) limbs had varied degrees of deep venous insufficiency and 68 (48.2%) limbs had through or above-the-knee great saphenous vein trunk residual. Conclusions Preoperative venography before operation is indispensible in confirming the diagnosis and operation strategies. Patients with severe primary deep venous reflux and symptoms up to C3 may need simultaneous repair of the deep venous valves.

Interpretations of the dial test should be reconsidered. A diagnostic accuracy study reporting sensitivity, specificity, predictive values and likelihood ratios

2018 ◽  
Vol 3 (4) ◽  
pp. 198-204
Author(s):  
Richard Norris ◽  
Christian Kopkow ◽  
Michael James McNicholas
Keyword(s):  
Diagnostic Accuracy ◽  
Likelihood Ratio ◽  
Predictive Value ◽  
Positive Likelihood Ratio ◽  
Negative Likelihood Ratio ◽  
Knee Ligament ◽  
Predictive Values ◽  
Medial Knee ◽  
Sensitivity Specificity ◽  
Dial Test

ObjectivesTo determine the accuracy of the dial test, used alone and in combination with additional clinical tests, in the diagnosis of an isolated posterolateral corner (PLC) injury, combined PLC-posterior cruciate ligament (PCL) injury or medial knee injury.MethodsA retrospective analysis of consecutive patients who underwent arthroscopic and/or open knee ligament reconstruction surgery was conducted. The dial test was performed in an outpatient’s clinic as part of a routine knee examination. Examination under anaesthetic and intraoperative findings were used as the reference standard test to determine the diagnostic accuracy of the dial test used alone and in combination with other PCL and medial knee tests. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), positive likelihood ratio (LR+) and negative likelihood ratio (LR−) were calculated with corresponding 95% CI.ResultsData from 87 patients were available and included in the data analysis. For an isolated PLC injury, the dial test sensitivity and specificity were 0.20 (95% CI 0.08 to 0.39) and 1.00 (95% CI 0.92 to 1.00). The PPV and NPV were 1.00 (95% CI 0.52 to 1.00) and 0.70 (95% CI 0.59 to 0.80). LR+ and LR− of the dial test detecting isolated PLC injury were infinity (95% CI calculation not possible, infinity) and 0.80 (95% CI 0.41 to 1.57). The diagnostic accuracy of the dial test, when used alone and in combination with other PCL and medial knee tests, was also calculated for combined PLC-PCL and medial knee injuries.ConclusionA negative dial test at 30° of knee flexion can rule out a PLC injury, while a test that is positive at 30° and negative at 90° indicates a PLC injury, without concomitant injury to the PCL or medial knee ligaments. A positive test at both 30° and 90° can indicate isolated PLC, combined PLC-PCL or medial ligament injuries, and other knee examination findings are required to differentially diagnose these injury patterns.Level of evidenceII.

A unique antiphospholipid assay recognizing phospholipid mixture compared with criteria antiphospholipid immunoassays in lupus patients

Lupus ◽  
2016 ◽  
Vol 26 (6) ◽  
pp. 606-615 ◽  
Author(s):  
Y Zuo ◽  
R Willis ◽  
E Papalardo ◽  
M Petri ◽  
E N Harris ◽  
...  
Keyword(s):  
Lupus Erythematosus ◽  
Clinical Manifestations ◽  
Case Series ◽  
Likelihood Ratios ◽  
Serum Samples ◽  
Predictive Values ◽  
Pregnancy Morbidity ◽  
Commercial Kits ◽  
Sensitivity Specificity

Background While essential for the classification of antiphospholipid syndrome (APS), anticardiolipin (aCL) assays lack specificity and anti-β2glycoproteinI (anti-β2GPI) assays lack sensitivity in this regard. Our aim was to perform a comparative analysis of the APhL ELISA assay (IgG/IgM) and criteria antiphospholipid (aPL) immunoassays in identifying APS-related clinical manifestations in a large group of patients with systemic lupus erythematosus (SLE). Methods Serum samples from 1178 patients from the Hopkins ( n = 543), LUMINA ( n = 588) and Jamaican SLE cohorts ( n = 47) were examined for IgG/IgM positivity in aCL (in-house), anti-β2GPI (two commercial kits) and APhL (Louisville APL) ELISA assays. Correlation of assay positivity with clinical manifestations and sensitivity, specificity, positive and negative predictive values and likelihood ratios were evaluated. A case series analysis was also performed in patients for whom there was isolated positivity in the specific aPL assays. Results The prevalence of aCL positivity was 34.9%, anti-β2GPI kit A was 22.6%, APhL was 11.5% and anti-β2GPI kit B was 7.6% in the study population. Anti-β2GPI kit B, aCL and APhL assays were correlated with venous thrombosis, while only APhL was significantly correlated with arterial thrombosis and consistently correlated with pregnancy-related morbidity. No significant correlations were noted for anti-β2GPI kit A. Sensitivity was greatest for aCL assays followed by anti-β2GPI kit A, APhL and anti-β2GPI kit B, while specificity was greatest and equal for anti-β2GPI kit B and APhL assays. Conclusions Overall, APhL antibodies, especially IgG, represent a promising biomarker for the classification of APS patients in the context of autoimmunity and in risk assessment with regards to pregnancy morbidity and thrombotic manifestations.

scholarly journals Lower Limb Varicose Veins's Clinical Profile and Management

2020 ◽  
pp. 1-5
Author(s):  
C. Z. Perdeshi ◽  
Kustub A. Kulkani ◽  
Revendra N. Yadav ◽  
Mayur Nagwakar ◽  
Niten H. Patil
Keyword(s):  
Varicose Vein ◽  
Lower Limb ◽  
Varicose Veins ◽  
Clinical Manifestations ◽  
Clinical Profile ◽  
Lower Limbs ◽  
Study Results ◽  
Common Technique ◽  
Age Range ◽  
Made In

The lower limbs’ venous system has the pressure of posture, and blood has to be pushed against gravity into the heart cavity. This issue is generally approached either by a cautious approach or by surgical interference, all of which are constrained. Attempts to study different clinical manifestations of varicose veins are being made in the present study. The overall number of 50 varicose vein patients was analysed and the study results were reported. Varicosity veins of the lower limb is a fairly normal pathological entity. In the 20-50 age range, the condition is more common. The main modality of the procedure is surgery. The most common technique performed is Saphenofemoral flush ligation with stripping. 

scholarly journals Nuclear imaging does not have clear added value in patients with low a priori chance of periprosthetic joint infection. A retrospective single-center experience

2022 ◽  
Vol 7 (1) ◽  
pp. 1-9
Author(s):  
Karsten D. Ottink ◽  
Stefan J. Gelderman ◽  
Marjan Wouthuyzen-Bakker ◽  
Joris J. W. Ploegmakers ◽  
Andor W. J. M. Glaudemans ◽  
...  
Keyword(s):  
Diagnostic Accuracy ◽  
Revision Surgery ◽  
Periprosthetic Joint Infection ◽  
Joint Infection ◽  
A Priori ◽  
Nuclear Imaging ◽  
Added Value ◽  
Low Grade ◽  
Predictive Values ◽  
Sensitivity Specificity

Abstract. Background: A low-grade periprosthetic joint infection (PJI) may present without specific symptoms, and its diagnosis remains a challenge. Three-phase bone scintigraphy (TPBS) and white blood cell (WBC) scintigraphy are incorporated into recently introduced diagnostic criteria for PJI, but their exact value in diagnosing low-grade PJI in patients with nonspecific symptoms remains unclear. Methods: In this retrospective study, we evaluated patients with a prosthetic joint of the hip or knee who underwent TPBS and/or WBC scintigraphy between 2009 and 2016 because of nonspecific symptoms. We reviewed and calculated diagnostic accuracy of the TPBS and/or WBC scintigraphy to diagnose or exclude PJI. PJI was defined based on multiple cultures obtained during revision surgery. In patients who did not undergo revision surgery, PJI was ruled out by clinical follow-up of at least 2 years absent of clinical signs of infection based on MSIS 2011 criteria. Results: A total of 373 patients were evaluated, including 340 TPBSs and 142 WBC scintigraphies. Thirteen patients (3.5 %) were diagnosed with a PJI. TPBS sensitivity, specificity, and positive and negative predictive values (PPV, NPV) were 71 %, 65 %, 8 % and 98 %, respectively. Thirty-five percent of TPBS showed increased uptake. Stratification for time intervals between the index arthroplasty and the onset of symptoms did not alter its diagnostic accuracy. WBC scintigraphy sensitivity, specificity, PPV and NPV were 30 %, 90 %, 25 % and 94 %, respectively. Conclusion: Nuclear imaging does not have clear added value in patients with low a priori chance of periprosthetic joint infection.

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