scholarly journals Effectiveness Of Transient Evoked Otoacoustic Emission (TEOAE) Test For Neonatal Auditory Screening

2018 ◽  
Vol 08 (02) ◽  
pp. 77-81
Author(s):  
Shanila Feroz ◽  
Iqbal Hussain Udaipurwala ◽  
Danish Muhammad Khan ◽  
Fatima Iqbal Hussain
Keyword(s):  
Hearing Loss ◽  
Predictive Value ◽  
False Negative ◽  
Otoacoustic Emission ◽  
Normal Hearing ◽  
Speech Development ◽  
True Negative ◽  
Cross Sectional ◽  
Transient Evoked Otoacoustic Emission

Objective: The purpose of this study is to assess the efficacy of Transient Evoked Otoacoustic Emission (TEOAE) as screening test for auditory function in neonates. Study Design: A cross-sectional study Place and Duration of Study: This study was conducted at United Medical and Dental College, Creek General Hospital, Karachi, from July 2106 to May 2017. A total number of 120 newborn babies were screened for hearing loss before discharge from hospital but 20 were lost for follow up and 100 cases were included in this study. Method: TEOAE was done in all neonates born during this period at 3rd day after birth. Those who were found to have hearing loss, TEOAE was repeated at the end of 1st week and again in 6th week after birth. BERA was done in those cases who showed hearing loss on TEOAE on all three occasions. All the 100 cases were followed up regularly for more than one year for appearance of any sign or symptom related with hearing loss or speech development failure. Result: Out of 100 cases included in this study, 96 were found to have no hearing loss on TEOAE and 1 on BERA test. Remaining three cases were found to have hearing loss on both TEOAE and BERA test. True negative cases where no hearing loss was found on TEOAE and subsequent follow up were 96. True positive cases were 3 where hearing loss was found on TEOAE and BERA and also on subsequent follow-up. False positive case was 1, where hearing loss was detected on TEOAE but BERA showed normal hearing and subsequent follow-up also showed normal hearing and false negative result was not detected in any case. Sensitivity of TEOAE was found to be 100%, specificity is 98.9%, accuracy is 99%, positive predictive value is 75% and negative predictive value is 100% in this study. Conclusion: TEOAE was found to be a cost-effective and practicable method of recognizing congenital hearing loss. It should be done in all newborns as routine screening for hearing loss

Hearing Screening of High-Risk Newborns with Brainstem Auditory Evoked Potentials: A Follow-up Study

PEDIATRICS ◽  
1984 ◽  
Vol 73 (1) ◽  
pp. 22-26 ◽  
Author(s):  
Dorothy A. Shannon ◽  
Jacob K. Felix ◽  
Allan Krumholz ◽  
Phillip J. Goldstein ◽  
Kenneth C. Harris
Keyword(s):  
Hearing Loss ◽  
High Risk ◽  
Predictive Value ◽  
Screening Test ◽  
Normal Hearing ◽  
Hearing Screening ◽  
Auditory Evoked Potential ◽  
Hearing Level ◽  
Lost To Follow Up

Numerous techniques have been used in attempts to find a reliable and efficient screening method for determining auditory function in the newborn. The brainstem auditory evoked potential (BAEP) is the latest method advocated for that purpose. The BAEP was evaluated as a hearing screening test in 168 high-risk newborns between 35 and 45 weeks of conceptual age. Follow-up data were obtained after 1 year (mean 17.3 months) on 134 of the infants (80%). Normal hearing was defined as a reproducible response in both ears to a 25 dB normal hearing level (nHL) click stimulus; 21 infants (12.5%) failed the initial screening test. Follow-up on 19/21 infants revealed 18 infants with normal hearing and one infant with an 80 dB nHL bilateral hearing loss substantiated. One infant with an abnormal screening test died before retesting, and the other infant was lost to follow-up but had only a unilaterally abnormal BAEP. None of the infants with a normal BAEP screening study had evidence of hearing loss on retesting. Sensitivity of the BAEP was 100%, specificity was 86%, predictive value of a positive test was 5.26%, and the predictive value of a negative test was 100%. The incidence of significant hearing loss in our population was between 0.75% (1/134 infants) confirmed, and 2.24% (3/134 infants) including infants who failed screening but were lost to follow-up. The BAEP is a sensitive procedure for the early identification of hearing-impaired newborns. However, the yield of significant hearing abnormalities was less than predicted in other studies using BAEP for newborn hearing screening.

scholarly journals DIAGNOSTIC ACCURACY OF 99 MTC LABELLED UBIQUICIDIN (29-41) SPECT/CT FOR DIAGNOSIS OF OSTEOMYELITIS IN DIABETIC FOOT

2021 ◽  
Vol 71 (3) ◽  
pp. 1015-19
Author(s):  
Muhammad Atif ◽  
Fida Hussain ◽  
Zaigham Salim Dar ◽  
Jameela Khatoon ◽  
Saadia Ajmal ◽  
...  
Keyword(s):  
Diagnostic Accuracy ◽  
Diabetic Foot ◽  
Predictive Value ◽  
Gold Standard ◽  
Soft Tissues ◽  
Bone Biopsy ◽  
False Negative ◽  
Armed Forces ◽  
True Negative ◽  
Cross Sectional

Objective: To determine diagnostic accuracy of 99mTc labelled Ubiquicidin (29-41) SPECT/CT for detection of osteomyelitis in diabetic foot patients by taking bone biopsy as gold standard. Study Design: Cross-sectional validation study. Place and Duration of Study: Nuclear Medical Centre, Armed Forces Institute of Pathology, from Apr 2017 to Mar 2018. Methodology: Study assessed 122 patients of both genders, aged between 30-80 years (mean age=55.3 years), presenting with diabetic foot ulcers having suspicion of osteomyelitis, by 99mTc-Ubiquicidin (29-41) SPECT/CT followed by bone biopsy (histopathology and culture) taken as gold standard. Results: Among 122 patients [94 male (77%) and 28 female (23%)], osteomyelitis was histopathologically confirmed in 113 patients. 107 out of these patients were positive for osteomyelitis on 99mTc-UBI (29-41) SPECT/CT (true positives) while 6 were false negative. Out of 9 patients declared negative for osteomyelitis on histopathology and culture, 8 were negative on 99mTc-UBI (29-41) SPECT/CT as well (true negative) while only 1 case came out to be positive (false positive). Thus, the 99mTc-UBI (29-41) scan showed 94.6% sensitivity, 88.89% specificity, 99% positive predictive value, 57% negative predictive value with overall 94.2% diagnostic accuracy. Conclusion: 99mTc labelled Ubiquicidin (29-41) SPECT/CT scan can precisely localize infective focus, in diabetic foot osteomyelitis, with simultaneous discrimination between bone and soft tissues.

scholarly journals Clinical relevance of 18F-FDG PET/CT in the postoperative follow-up of patients with history of medullary thyroid cancer

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Jelena Saponjski ◽  
Djuro Macut ◽  
Dragana Sobic Saranovic ◽  
Branislava Radovic ◽  
Vera Artiko
Keyword(s):  
Predictive Value ◽  
Fdg Pet ◽  
Somatostatin Receptor ◽  
False Negative ◽  
Standardized Uptake Value ◽  
True Negative ◽  
Medullary Thyroid ◽  
Pet Ct ◽  
Fdg Pet Ct

AbstractBackgroundThe aim of the study was evaluation of 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography with computed tomography (PET/CT) in the detection of active disease in the patients with suspected recurrence of the medullary thyroid carcinoma (MTC).Patients and methods18F-FDG PET/CT investigation was performed in 67 patients, investigated from 2010 to 2019. _ Follow up was performed from 6 to 116 months after surgery (median 16.5 months, x± SD = 29±28.9 months). Twenty five of 67 patients underwent 99mTc-dimercaptosuccinic acid (99mTc-DMSA) scintigraphy, 11 underwent somatostatin receptor scintigraphy (SRS) with 99mTc-HYNIC TOC while 11 123I-metaiodobenzylguanidine (MIBG) scintigraphy.ResultsFrom 67 patients, 35 (52.2%) had true positive 18F-FDG PET/CT findings (TP). Average maximal standardized uptake value (SUVmax) for all TP lesions was 5.01+3.6. In 25 (37.3%) patients findings were true negative (TN). Four (6%) patients had false positive (FP) findings while three (4.5%) were false negative (FN). Thus, sensitivity of the 18F-FDG PET/ CT was 92.11%, specificity 86.21%, positive predictive value 89.74%, negative predictive value 89.29% and accuracy 89.55%. In 27 patients (40%) 18F-FDG PET/CT finding influenced further management of the patient.Conclusions18F-FDG PET/CT has high accuracy in the detection of metastases/recurrences of MTC in patients after thyroidectomy as well as in evaluation and the appropriate choice of the therapy.

scholarly journals DIAGNOSIS OF SUBDURAL HAEMATOMA AND EPIDURAL HAEMATOMA BY COMPUTED TOMOGRAPHY IN PATIENTS WITH ROAD TRAFFIC ACCIDENTS

2020 ◽  
Vol 5 (2) ◽  
pp. 1-12
Author(s):  
Nadir Hussain ◽  
Shafia Khan ◽  
Rabia Rabia ◽  
Kanwal Saleem ◽  
Sana Aslam ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Predictive Value ◽  
Traffic Accidents ◽  
Road Traffic ◽  
Head Injuries ◽  
False Negative ◽  
Epidural Haematoma ◽  
Female Gender ◽  
True Negative ◽  
Cross Sectional

Methodology: It was a cross sectional Analytical study conducted at Department of Radiology AL RAZI HOSPITAL MM ALAM LAHORE. From 1st July 2019 to 31st December 2019.The 172 subjects were selected of history and clinical examination and suspicion of head injuries requiring head CT scan evaluation. Subjects included both male and female gender age over 10 years and less than 70 years were selected. Contraindication to CT imaging and pregnant females were excluded. Patients were examined using 64 Slices dual source SIMENS CT machine. All the information of patient were noted on a specifically designed for this purpose.Results: Mean age of patient was 36.87± 13.02 years. Most frequent age group was 15-30 years having 75(42.8%) subjects. There were 125(71.4%) male and 50(28.5%) females in the study respectively. There were 126 true positive, 12 false positive, 11 false negative and 17 true negative cases. This study revealed computed tomography sensitivity (72%) specificity (94%) diagnostic accuracy is (97.1%), Positive predictive value is (97.98%) and negative predictive value is (71.69%).Conclusions: It was concluded that Computed tomography is a useful diagnostic tool after clinical evaluation in patients imaging for the diagnosis of subdural and epidural hematomas in patients of road traffic accident.

scholarly journals CT evaluation of malignant PNS mass and histopathological correlation

2016 ◽  
Vol 6 (1) ◽  
pp. 33
Author(s):  
Tahmina Islam ◽  
Salauddin Al-Azad ◽  
Lubna Khondker ◽  
Sabina Akhter
Keyword(s):  
Ct Scan ◽  
Predictive Value ◽  
False Negative ◽  
True Negative ◽  
Cross Sectional ◽  
Nasal Sinus ◽  
Computed Tomographic ◽  
Histopathological Correlation ◽  
Ct Evaluation ◽  
Malignant Mass

<p><strong>Background:</strong> Computed tomography (CT) is the gold standard for exact delineation of paranasal sinus(PNS) disease. There are many radiologically important diseases of paranasal sinuses.<strong> </strong></p><p><strong>Objective:</strong> to evaluate the malignant PNS mass by computed tomographic image and the findings of this modality were compared with histopathological result.</p><p><strong>Methods:</strong> It was a cross sectional type of study and carried out with suspected PNS mass having patients during January 2009 to Octo­ber 2010.</p><p><strong>Results:</strong> The mean age of the patients was 35.95 ± 18.24 and common complaints of the patients were nasal obstruction (73.7%) and maximum 53.9% patients had PNS mass in maxillary sinuses. Out of 76 cases 21.1 % found malignant mass on CT and after histopathology 19. 7% had malignant mass. Out of all cases 14 were diagnosed as malig­nant PNS mass by CT scan and confirmed by histopathological evaluation and they were true positive. Two cases were diagnosed as malignant PNS mass by CT scan but not confirmed by histopathological findings and they were false positive. Of 60 cases, which were diagnosed by CT scan, one was confirmed as malignant and 59 were benign by histopa­thology. They were false negative and true negative respectively. Sensitivity of CT scan to diagnose malignant PNS mass was 93.3%, specificity 96.7%, positive predictive value 87.5%, negative predictive value 98.3% and accuracy 96.1 %.<strong> </strong></p><p><strong>Conclusion:</strong> CT scan of the malignant para nasal sinus mass provides more information and better image quality and CT diagnosis correlate well with the findings of histopathology.</p>

scholarly journals Validity of Immunochromatographic Test for Antibody in Diagnosis of Typhoid Fever in Children Admitted in A Tertiary Care Hospital

2018 ◽  
Vol 16 (2) ◽  
pp. 20-24
Author(s):  
Zabeen Choudhury ◽  
Mohammed Rezaul Karim ◽  
Rasheda Samad ◽  
Shanjana Islam
Keyword(s):  
Blood Culture ◽  
Typhoid Fever ◽  
Predictive Value ◽  
Tertiary Care ◽  
False Negative ◽  
Care Hospital ◽  
Immunochromatographic Test ◽  
True Negative ◽  
College Hospital ◽  
Cross Sectional

Background: To determine the Validity of Immunochromatographic Test (ICT) in diagnosis of typhoid fever in children admitted in a tertiary care hospital.Methods: This cross sectional study was carried out the in Pediatric & Medicine wards of Chittagong Medical College Hospital (CMCH), Chittagong during the period July 2012 to June 2013. A total number of 150 clinically suspected cases of typhoid fever (Age >6 months to18 years) were enrolled in this study. After taking informed written consent, detailed history & clinical examination were completed. A blood culture sample was taken on the day of admission before starting antibiotic. On the 5th day onwards of appearance of fever, blood sample was taken to perform ICT. Patients received standard medical treatment of the admitting wards.Results: Blood C/S for Salmonella typhi was found positive in 16(10.7%) cases. Positive ICT for typhoid fever was found in 37(24.7%) cases. Among then, IgM was 18(12.0%) IgM+IgG were 8(5.3%) and IgG was 11(7.3%). ICT found true positive in 14, false positive in 23, false negative in 2 and true negative in 111 cases, where blood culture considered as gold standard. The difference was statistically significant (p<0.05) between two groups. Immunochromatographic Test (ICT) showed sensitivity 87.5%, specificity 82.8%, accuracy 83.3%, positive predictive value 37.8% and negative predictive value 98.2% for identification of typhoid fever.Conclusion: The present study has shown high sensitivity & specificity of ICT, it can be used as a useful & prospectful diagnostic tool.Chatt Maa Shi Hosp Med Coll J; Vol.16 (2); July 2017; Page 20-24

Prognostic value of FDG-PET in Hodgkin lymphoma for posttreatment evaluation. Long-term follow-up results

2009 ◽  
Vol 150 (47) ◽  
pp. 2133-2138
Author(s):  
Zsuzsa Molnár ◽  
Zsófia Simon ◽  
Zita Borbényi ◽  
Beáta Deák ◽  
LászLÓ Galuska ◽  
...  
Keyword(s):  
Hodgkin Lymphoma ◽  
Predictive Value ◽  
False Positive ◽  
Fdg Pet ◽  
Clinical Stage ◽  
False Negative ◽  
True Negative ◽  
Significant Difference ◽  
The Difference

In the past few decades Hodgkin lymphoma (HL) has become a highly curable malignant disease, as a result of using modern polychemotherapy and irradiation. Differentiation of active tumor from fibrosis or necrosis within residual radiographic masses represents a problem of interpretation. Aims: The aim of this retrospective study is to assess the value of FDG-PET for prediction of remission or relapse in HL. Patients and methods: Data of 128 patients, who had residual masses on CT after completion of their planned treatment, have been analyzed. FDG-PET was performed between January 1995 and February 2005. Results: The median duration of the follow-up from PET was 75.5 months (range: 20–180 months). 89 (70%) patients had negative and 39 (30%) patients had positive FDG-PET results. The numbers of true-positive, true-negative, false-positive and false-negative subjects were 29, 83, 10 and 6, respectively. Sensitivity of post-treatment FDG-PET was 83%, specificity 93%, positive predictive value 74%, negative predictive value 93%, and accuracy 88%. The difference between the event free survival of PET positive and negative cases is highly significant (p = 0.0000), according to the Mantel-Cox test. Conclusion: Our results, in accordance with literature, clearly indicate that patients with negative FDG-PET results are unlikely to progress or relapse during a long follow-up. However, false positive uptake is a problem. We have investigated the effect of age, histological subtype, clinical stage and the type of treatment on the accuracy, but on the basis of these facts we could not find any significant difference. However, the date of the investigation influenced the results: before 2000 the number of false results was significantly higher than after that time, which shows the importance of investigators’ experience.

scholarly journals GESTATIONAL DIABETES;

2013 ◽  
Vol 20 (02) ◽  
pp. 232-236
Author(s):  
SHAZIA SHAHEEN ◽  
ROBINA ALI ◽  
UZMA , AFZAL
Keyword(s):  
High Risk ◽  
Gestational Diabetes ◽  
Outcome Measures ◽  
Predictive Value ◽  
Gold Standard ◽  
False Negative ◽  
Outpatient Department ◽  
High Risk Population ◽  
True Negative ◽  
Cross Sectional

Objective: To determine the Accuracy of GCT for screening of gestational diabetes in high risk population comparing oralGlucose Tolerance Test (GTT) as gold standard. Main outcome measures: Accuracy of GCT. Study design: Cross-sectional study.Setting: The study was conducted in outpatient department of Punjab Medical College and affiliated hospitals, Faisalabad. Subjects: 207patients. Methods: High risk women from outpatient department were recruited on the basis of inclusion and exclusion criteria afterexplaining pros and cons of procedure. These women were subjected to GCT & GTT. GTT was taken as gold standard test and results ofGCT were compared with it. Main outcome measures recorded and results obtained. Results: Out of 207 women, GCT truly diagnosed 24women as having diabetes (true positive) & 175 women were found to have normal glucose metabolism (true negative). GCT failed todiagnose 5 diabetic women (false negative) & wrongly diagnosed 3 normal women as diabetics (false positive) against gold standardGTT. So GCT has diagnosed Gestational diabetes mellitus with the sensitivity of 82.7%, specificity of 98.3%, positive predictive value of88.8%, and negative predictive value of 97.2% and accuracy of 96.1%. Conclusions: GCT is a simple, easy, convenient and sensitive testthat has no limitation for time or prior fasting for gestational diabetes screening.

Diagnostic Accuracy of Ultrasonography for Detection of AT by Taking Surgical Findings as Gold Standard

2021 ◽  
Vol 15 (11) ◽  
pp. 3093-3095
Author(s):  
Iqra Rafique ◽  
Anam Manzoor ◽  
Sana Naseer
Keyword(s):  
Diagnostic Accuracy ◽  
Predictive Value ◽  
Gold Standard ◽  
False Negative ◽  
Achilles Tendinopathy ◽  
Military Hospital ◽  
True Negative ◽  
Cross Sectional ◽  
Female Ratio ◽  
Standard Design

Objective: To assess the diagnostic accuracy of ultrasonography for detection of Achilles tendinopathy by taking surgical findings as gold standard. Design of the Study: It was a descriptive cross-sectional study. Study Settings: This study was carried out at Department Of Diagnostic Radiology And Diagnostic Imaging Combined Military Hospital, Lahore from 23rd December 2017 to 22nd June 2018. Material and Methods: A total of 70 patients of age 20-70 years, of either gender presenting with severe pain and swelling in area of Achilles tendon were included. Patients with heel pain having concurrent heel ulcer, eczematous changes or calcaneal fractures, muscular dystrophy and previous surgery were excluded. All the patients were then underwent ultrasonography and findings were noted for presence or absence of Achilles tendinopathy. Each Ultrasonographic finding were compared with surgical findings. Results of the Study: Mean age was 41.24 ± 10.34 years. Out of these 70 patients, 46 (65.71%) were male and 24 (34.29%) were females with male to female ratio of 1.9:1. In USG positive patients, 40 (True Positive) had Achilles tendinopathy and 04 (False Positive) had no Achilles tendinopathy on surgical findings. Among, 26 USG negative patients, 03 (False Negative) had Achilles tendinopathy on surgical findings whereas 23 (True Negative) had no Achilles tendinopathy on surgical findings. Overall sensitivity, specificity, positive predictive value, negative predictive value and diagnostic accuracy of ultrasonography for detection of Achilles tendinopathy by taking surgical findings as gold standard was 93.02%, 85.19%, 90.91%, 88.46% and 90.0% respectively. Conclusion: This study concluded that diagnostic accuracy of ultrasonography for detection of Achilles tendinopathy is quite high. Keywords: Achilles tendinopathy, ultrasonography, sensitivity.

scholarly journals Accuracy of the dental pulp sensibility test using cold spray for the diagnosis of pulp diseases: an observational clinical study

2021 ◽  
Vol 37 ◽  
pp. e37040
Author(s):  
Felipe de Souza Matos ◽  
Thaís Christina Cunha ◽  
Maria Amália Gonzaga Ribeiro ◽  
Camila Silva Araujo ◽  
Ítalo de Macedo Bernardino ◽  
...  
Keyword(s):  
Cold Spray ◽  
Predictive Value ◽  
Dental Pulp ◽  
False Negative ◽  
Cold Test ◽  
Chi Square ◽  
True Negative ◽  
Cross Sectional ◽  
Significance Level ◽  
Clinical Variables

The dental pulp sensibility test is one of the main auxiliary resources for the diagnosis of pulp pathologies, and its accuracy is still debatable. This cross-sectional observational study evaluated the accuracy of the pulp sensibility test (PST) using cold spray (1,1,1,2-tetrafluoroethane) for the diagnosis of pulp diseases and determined the effect of individual and clinical variables on the reliability of this test. The paper was designed following the STROBE statement. Sixty patients with indications for primary endodontic treatment were selected and examined from August 2017 to July 2018. Data collection was performed through interviews, clinical/radiographic examinations and the PST. The results of the cold test, along with data on sex, age, the tooth type regarding the root number, and the presence of restorations and caries, as well as the recent consumption of analgesics, were recorded. The presence of bleeding within the pulp chamber was used as the gold standard to compare with the clinical diagnosis and to identify the true-positive, false-positive, true-negative, and false-negative responses. The accuracy of PST achieved in subgroups of individual and clinical variables was compared using the chi-square test with a significance level of 5% (p < 0.05). The PST with the use of cold spray showed a sensitivity of 0.88, a specificity of 1.00, a positive predictive value of 1.00, a negative predictive value of 0.86, and an accuracy of 0.93. The accuracy of the cold spray was not affected by individual or clinical variables. The PST with the use of cold spray is an accurate and reliable method for determining the diagnosis of pulp diseases, especially in cases of pulp vitality or irreversible pulpitis.

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