19 results on '"Mahmoud, Omar"'
Search Results
2. Trans-abdominal Color Doppler US versus Direct Multi-detector Computed Tomography Venography in the Diagnosis of May-Thurner Syndrome
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Marwa Samy, Mohammad Koriem Mahmoud Omar, Omar Gamal Mokhtar, Osman Mahmoud Ahmed, and Abeer Houssein Ali
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General Medicine - Published
- 2022
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3. Deciphering excess healthcare burden in head and neck cancer patients with cardiovascular comorbidity
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Abdallah S. Attia, Mohammad Hussein, Mohanad R. Youssef, Mahmoud Omar, Ahmed Elnahla, Ashraf Farhoud, Ghassan Zora, Adin S. C. Reisner, Brian McClure, Katherine S. Cox, Eman Toraih, Gregory W. Randolph, and Emad Kandil
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Cross-Sectional Studies ,Postoperative Complications ,Oncology ,Cardiovascular Diseases ,Head and Neck Neoplasms ,Risk Factors ,Humans ,Surgery ,Comorbidity ,General Medicine ,Delivery of Health Care ,Patient Readmission ,Retrospective Studies - Abstract
This study aimed to determine the perioperative surgical outcomes for head and neck cancer patients with cardiovascular diseases (CVDs).A cross-sectional analysis was performed using data from the Nationwide Readmissions Database between 2010 and 2014. Logistic regression analysis by enter and backward stepwise methods were used.A total of 8346 patients met the inclusion criteria. Patients with concomitant CVD had a higher frequency of complications (57.6%) compared with those without (47.4%) (odds ratio [OR] = 1.35, 95% confidence interval [CI] = 1.23-1.48, p 0.001). Patients with CVD comorbidities were prone to experience in-patient mortality at both admission (OR = 2.4, 95% CI = 1.42-4.05) and readmission (OR = 2.55, 95% CI = 1.10-5.87). CVD patients have prolonged hospital admission (OR = 1.14, 95% CI = 1.02-1.27, p = 0.020) and higher cost (OR = 1.28, 95% CI = 1.15-1.43, p 0.001). Patients with congestive heart failure were prone to 30 days readmission (OR = 1.67, 95% CI = 1.10-2.53, p = 0.019) and 90 days (OR = 1.65, 95% CI = 1.14-2.39, p = 0.010).This is the first study identifying factors predicting higher risk of perioperative complications of surgical management of head and neck cancer. Those with CVD had higher risk of adverse events.
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- 2022
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4. Cancer and COVID-19: analysis of patient outcomes
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Hana Safah, Mohammad H. Hussein, Emad Kandil, Eman A. Toraih, Mohamed Aboueshia, Juan Duchesne, Nakhle S. Saba, Aubrey Swinford, Peter Miller, Abdallah S. Attia, and Mahmoud Omar
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Male ,Cancer Research ,Comorbidity ,outcomes ,Prostate cancer ,Patient Admission ,0302 clinical medicine ,Risk Factors ,Neoplasms ,Hospital Mortality ,030212 general & internal medicine ,Young adult ,Aged, 80 and over ,Smoking ,General Medicine ,Middle Aged ,prostate cancer ,Intensive Care Units ,Oncology ,COVID-19 Nucleic Acid Testing ,active cancer and remission ,030220 oncology & carcinogenesis ,Female ,Research Article ,Adult ,medicine.medical_specialty ,Adolescent ,comorbidities ,Malignancy ,Risk Assessment ,Young Adult ,03 medical and health sciences ,breast cancer ,Breast cancer ,delayed management ,Internal medicine ,medicine ,Humans ,cancer ,Obesity ,Lung cancer ,Aged ,Retrospective Studies ,SARS-CoV-2 ,business.industry ,COVID-19 ,Cancer ,Retrospective cohort study ,medicine.disease ,lung cancer ,business - Abstract
Background: We sought to investigate the outcomes associated with COVID-19 disease in cancer patients. Methods: We conducted a retrospective cohort study of laboratory-confirmed COVID-19 patients. Results: Of the 206 patients included, 57 had at least one preexisting malignancy. Cancer patients were older than noncancer patients. Of the 185 discharged cases, cancer patients had a significantly higher frequency of unplanned reintubation (7.1% vs 0.9%, p, Summary In this study, we aimed to investigate how COVID-19 affected cancer patients and whether this altered their survival outcomes. To do this, we examined data from a database of patients who have passed through our institution – a retrospective cohort analysis. Of the 206 patients we included in the study from this database, 57 had at least one preexisting cancer. Cancer patients tended to be older than noncancer patients. Of the 185 discharged patients, cancer patients required longer hospital stays, but there was no difference in mortality. Disease complications and intensive care unit admission with obesity and active smoking put patients in our cohort at increased risk of death. To conclude, outcomes in COVID-19 patients appear to be driven by obesity as well as active smoking, with no difference in mortality between cancer and noncancer patients.
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- 2021
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5. The Diagnostic Performance of Ultrasonography in the Evaluation of Extrathyroidal Extension in Papillary Thyroid Carcinoma: A Systematic Review and Meta-Analysis
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Peter P. Issa, Aaron L. Albuck, Eslam Hossam, Mohammad Hussein, Mohamed Aboueisha, Abdallah S. Attia, Mahmoud Omar, Seif Abdelrahman, Gehad Naser, Robert D. E. Clark, Eman Toraih, and Emad Kandil
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Inorganic Chemistry ,Organic Chemistry ,General Medicine ,Physical and Theoretical Chemistry ,Molecular Biology ,Spectroscopy ,Catalysis ,Computer Science Applications - Abstract
Extrathyroidal extension (ETE) in patients with papillary thyroid carcinoma (PTC) is an indication of disease progression and can influence treatment aggressiveness. This meta-analysis assesses the diagnostic accuracy of ultrasonography (US) in detecting ETE. A systematic review and meta-analysis were performed by searching PubMed, Embase, and Cochrane for studies published up to April 2022. The pooled sensitivity, specificity, and diagnostic odds ratio (DOR) were calculated. The areas under the curve (AUC) for summary receiver operating curves were compared. A total of 11 studies analyzed ETE in 3795 patients with PTC. The sensitivity of ETE detection was 76% (95%CI = 74–78%). The specificity of ETE detection was 51% (95%CI = 49–54%). The DOR of detecting ETE by US was 5.32 (95%CI = 2.54–11.14). The AUC of ETE detection was determined to be 0.6874 ± 0.0841. We report an up-to-date analysis elucidating the diagnostic accuracy of ETE detection by US. Our work suggests the diagnostic accuracy of US in detecting ETE is adequate. Considering the importance of ETE detection on preoperative assessment, ancillary studies such as adjunct imaging studies and genetic testing should be considered.
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- 2022
6. COVID-19 infection immediately post-transplant in an unvaccinated patient: Clinical observations and ethical implications
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Ben Cox, Trana Hussani, Vladimir Marquez, Mahmoud Omar, Maja Segedi, and Eric M Yoshida
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General Medicine - Abstract
We report the case of a 28-year-old woman who presented with acute liver failure from suspected drug-induced liver injury. She was not vaccinated against COVID-19 and expressed considerable reluctance to become vaccinated prompting discussions within the transplant group regarding her candidacy. She received a liver transplant and acquired COVID-19 immediately post-operatively that was treated with sotrovimab. She recovered well and was discharged shortly following her transplant. This case suggests that unwillingness to receive COVID-19 vaccination pre-transplant should not represent an absolute contraindication to a life-saving liver transplantation.
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- 2022
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7. COVID-19 infection in liver transplant recipients: Clinical features and outcomes from a Canadian multicentre cohort
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Matthew K Smith, Jessica Chow, Ruiyao Huang, Mahmoud Omar, Maryam Ebadi, Philip Wong, Geneviéve Huard, Eric M Yoshida, David Peretz, Mayur Brahmania, Aldo J Montano-Loza, and Rahima A Bhanji
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General Medicine - Abstract
BACKGROUND: Prior studies have assessed risk factors and clinical outcomes in liver transplant (LT) recipients infected with COVID-19 globally; however, there is a paucity of Canadian data. Our multicentre study aims to examine the characteristics and clinical outcomes of LT patients with COVID-19 infection in Canada. METHODS: Adult LT recipients with reverse transcription-polymerase chain reaction (RT-PCR) confirmed COVID-19, from Canadian tertiary care centres between March 2020 and June 2021 were included. RESULTS: A total of 49 patients with a history of LT and COVID-19 infection were identified. Twenty nine patients (59%) were male, median time from LT was 66 months (IQR 1, 128), and median age was 59 years (IQR 52, 65). At COVID-19 diagnosis, the median alanine transaminase (ALT) was 37 U/L (IQR 21, 41), aspartate aminotransferase (AST) U/L was 34 (IQR 20, 37), alkaline phosphatase (ALP) U/L was 156 (IQR 88, 156), total bilirubin was 11 umol/L (IQR 7, 14), and international normalized ratio (INR) was 1.1 (IQR 1.0, 1.1). The majority of patients (86%) were on tacrolimus (monotherapy or combined with mycophenolate mofetil); median tacrolimus level at COVID-19 diagnosis was 5.3 ug/L (IQR 4.0, 8.1). Immunosuppression was modified in eight (16%) patients post-infection. Eighteen patients (37%) required hospitalization, and three (6%) required intensive care unit (ICU) admission and mechanical ventilation. Four patients (8%) died from complications related to COVID-19 infection. On univariate analysis, neither age, sex, comorbidities nor duration post-transplant were associated with risk of hospitalization or ICU admission. CONCLUSIONS: LT recipients with COVID-19 have high rates of hospitalization but fortunately have low rates of ICU admission and mortality in this national registry.
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- 2022
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8. Robotic and Laparoscopic Approaches for Adrenal Surgery in Obese Patients
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Mohamed Saied Abdelgawad, Saad Alawwad, Ghassan Zora, Joseph F. Buell, Hosam Shalaby, Emad Kandil, Abdallah S. Attia, Mahmoud Omar, Lee Grace, Mohanad R. Youssef, and Ehab Alameer
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Adult ,Male ,medicine.medical_specialty ,Adrenal surgery ,medicine.medical_treatment ,Adrenal Gland Diseases ,030232 urology & nephrology ,03 medical and health sciences ,0302 clinical medicine ,Robotic Surgical Procedures ,medicine ,Humans ,Obesity ,Aged ,Retrospective Studies ,business.industry ,Adrenalectomy ,General Medicine ,Middle Aged ,Surgery ,Treatment Outcome ,030220 oncology & carcinogenesis ,Female ,Laparoscopy ,business ,Body mass index - Abstract
Objective Minimally invasive adrenalectomy is a challenging procedure in obese patients. Few recent studies have advocated against robot-assisted adrenalectomy, particularly in obese patients. This study aims to compare operative outcomes between the robotic and laparoscopic adrenalectomy, particularly in obese patients. Materials and Methods A retrospective analysis was performed on all consecutive patients undergoing adrenalectomy for benign disease by a single surgeon using either a laparoscopic or robotic approach. Adrenal surgeries for adrenal cancer were excluded. Demographics, operative time, length of hospital stays, estimated blood loss (EBL), and intraoperative and postoperative complications were evaluated. Patients were divided into 2 groups; obese and nonobese. A sub-analysis was performed comparing robotic and laparoscopic approaches in obese and nonobese patients. Results Out of 120, 55 (45.83%) were obese (body mass index ≥ 30 kg/m2). 14 (25.45%) of the obese patients underwent a laparoscopic approach, and 41 (74.55%) underwent a robotic approach. Operative times were longer in the obese vs. nonobese groups (173.30 ± 72.90 minutes and 148.20 ± 61.68 minutes, P = .04) and were associated with less EBL (53.77 ± 82.48 vs. 101.30 ± 122, P = .01). The robotic approach required a longer operative time when compared to the laparoscopic approach (187 ± 72.42 minutes vs. 126.60 ± 54.55 minutes, P = .0102) in the obese but was associated with less blood loss (29.02 ± 51.05 mL vs. 138.30 ± 112.20 mL, P < .01) and shorter hospital stay (1.73 ± 1.23 days vs. 3.17 ± 1.27 days, P < .001). Conclusion Robot-assisted adrenal surgery is safe in obese patients and appears to be longer; however, it provides improvements in postoperative outcomes, including EBL and shorter hospital stay.
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- 2020
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9. Accuracy of the ‘CUT’ Score for Assessing Malignancy in Bethesda 3 and 4 Thyroid Nodules in North American Population: A Retrospective Study
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Areej N. Shihabi, Mohammad Hussein, Eman A. Toraih, Abdallah S. Attia, Mohanad R. Youssef, Ahmed Elnahla, Mahmoud Omar, Mohamed Shama, Ralph Corsetti, and Emad Kandil
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Cancer Research ,Oncology ,Biopsy, Fine-Needle ,North America ,Humans ,General Medicine ,Thyroid Neoplasms ,Thyroid Nodule ,Retrospective Studies ,Ultrasonography - Abstract
The CUT score is a thyroid nodule malignancy risk assessment scoring system intended to guide surgeons in treating Bethesda 3 and 4 thyroid nodules. It is based on clinical (C) and ultrasonographic (U) features and a five-tiered (T) representing cytology. Our study aimed to assess the utility of the CUT score in predicting thyroid malignancy in the North American population. The main reason for creating this score is to reduce unnecessary surgeries on these challenging thyroid nodules. A retrospective record review study applied the CUT score to 219 Bethesda 3 and 4 thyroid nodules. A total of 203 Bethesda 3 and 16 Bethesda 4 nodules from patients treated between January 2015 and December 2019 at a single institution were assessed. A receiver operating characteristic (ROC) curve analysis was performed to evaluate the CUT diagnostic test. Binary logistic regression analysis was performed. Iteration of analysis was performed after stratification according to body mass index to assess CUT score accuracy in obese and non-obese patients. Of 219 nodules analyzed, 148 were characterized as benign and 71 as malignant. Prevalence rates of malignancy were 29.6% (n = 60) and 68.8% (n = 11) in Bethesda 3 and 4 nodules, respectively. The mean CU (clinical, ultrasonography) score was 5.35 ± 1.38 in benign nodules versus 4.96 ± 1.5 in malignant nodules (p = 0.08). The area under the curve (AUC = 0.433) for the association of CUT scores with nodule malignancy was not significant (p = 0.13). The CUT score was insignificant as a diagnostic test for nodule malignancy in obese (AUC = 0.45; p = 0.72) and non-obese patients (AUC = 0.39; p = 0.08). The CUT score did not correlate with preoperative malignancy risk estimates in Bethesda 3 thyroid nodules and, therefore, may have limited utility as a predictor of malignancy in these thyroid nodules.
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- 2022
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10. Effects of Parathyroidectomy on Normocalcemic Primary Hyperparathyroidism and the Role of Intraoperative PTH Measurement
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Emad Kandil, Mohamed Saied Abdelgawad, Marcus Hoof, Hosam Shalaby, Ghassan Zora, Mahmoud Omar, Mohamed Shama, and Ehab Alameer
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Parathyroidectomy ,Hyperparathyroidism ,medicine.medical_specialty ,PTH measurement ,business.industry ,medicine.medical_treatment ,Urology ,Parathyroid hormone ,General Medicine ,Tertiary hyperparathyroidism ,medicine.disease ,Hyperparathyroidism, Primary ,Parathyroid Glands ,Lower threshold ,Neck exploration ,Parathyroid Hormone ,Medicine ,Humans ,business ,Radionuclide Imaging ,Primary hyperparathyroidism ,Retrospective Studies - Abstract
Background Normocalcemic primary hyperparathyroidism (NCpHPT) and normohormonal primary hyperparathyroidism (NHpHPT) are recently recognized variants of primary hyperparathyroidism. Current guidelines for the management hyperparathyroidism recognize NCpHPT as one of the areas that are recommended for more research due to limited available data. Methods A retrospective review of patients who had parathyroidectomy between 2014 and 2019. We excluded patients with multiple endocrine neoplasia syndromes and secondary and tertiary hyperparathyroidism. Included patients were classified based on the biochemical profile into classic or normocalcemic hyperparathyroidism group. Collected data included demographics, preoperative localizing imaging, intraoperative parathyroid hormone levels, and postoperative cure rates. Results 261 patients were included: 160 patients in the classic and 101 patients in the normocalcemic group. Patients in the normocalcemic group had significantly more negative sestamibi scans (n = 58 [8.2%] vs 78 [51.3%], P = Conclusion Normocalcemic hyperparathyroidism is a challenging disease. Surgeons should be aware of the lower cure rate in this group, interpret intraoperative parathyroid hormone with caution, and have a lower threshold for bilateral neck exploration and 4 glands visualization.
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- 2021
11. Comparative Study Between Dexmedetomidine and Fentanyl as Sedatives in Awake Fiberoptic Intubation in Cervical Spine Surgeries
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Ahmad Kamal Mohamed Ali, Haitham Sabry Mahmoud Omar, Waleed Mohamed Abd El Mageed, and Eeman Aboubakr ElSiddik Ahmed Bayoumi
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business.industry ,medicine.medical_treatment ,Hemodynamics ,General Medicine ,Cervical spine ,Fentanyl ,Sedation procedure ,Anesthesia ,medicine ,Intubation ,Dexmedetomidine ,business ,Fiberoptic intubation ,medicine.drug - Abstract
Background Various drugs are used for providing favorable intubation conditions during awake fiberoptic intubation (AFOI). However, most of them have various side effects. Aim The aim of this study was to compare the effects of dexmedetomedine and fentanyl as regards sedative effects, hemodynamic stability, intubation time and intubation attempts success during awake fiberoptic intubation. Material and Methods A randomized double-blind prospective study was conducted on a total of 40 patients scheduled for elective cervical spine surgeries who were randomly allocated into two equal groups (n 20): (group A) patients received a bolus dose of dexmedetomidine of 1 mcg/kg over 10 min followed by a continuous infusion of dexmedetomidine at 0.5 mcg/kg/h. and fentanyl group (group B) received dose of 1 μg/kg over 10 min followed by 0.5 μg/kg/hr. Sedation score (Ramsy sedation score), hemodynamic variables, oxygen saturation, intubation time and intubation attempts were noted and compared between the two groups. Results Ramsy Sedation Score was significantly favorable (P < 0.001) in group A in comparison to group B, moreover better hemodynamic stability during intubation (P < 0.05) and less intubation attempts were observed in group A in comparison to group B. Conclusion The results of our study showed that dexmedetomidine provides optimum sedation without compromising airway or hemodynamic stability and with favorable intubation time and less intubation attempts during AFOI in comparison to fentanyl.
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- 2021
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12. Radiofrequency Ablation of Indeterminate Thyroid Nodules: The First North American Comparative Analysis
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Peter P. Issa, Mahmoud Omar, Chad P. Issa, Yusef Buti, Mohammad Hussein, Mohamed Aboueisha, Ali Abdelhady, Mohamed Shama, Grace S. Lee, Eman Toraih, and Emad Kandil
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Radiofrequency Ablation ,Organic Chemistry ,General Medicine ,Catalysis ,Computer Science Applications ,Inorganic Chemistry ,Treatment Outcome ,North America ,Catheter Ablation ,Humans ,Thyroid Nodule ,Physical and Theoretical Chemistry ,radiofrequency ablation ,RFA ,indeterminate thyroid nodules ,thyroid ,Bethesda III ,Bethesda IV ,Molecular Biology ,Spectroscopy ,Retrospective Studies - Abstract
Thyroid nodules can be classified as benign, malignant, or indeterminate, the latter of which make up 10–30% of nodules. Radiofrequency ablation (RFA) has become an attractive and promising therapy for the treatment of benign thyroid nodules. However, few studies have investigated the safety and efficacy of RFA for the management of indeterminate thyroid nodules. In this study, 178 patients with thyroid nodules diagnosed as benign (Bethesda II) or indeterminate (Bethesda III/IV) by preoperative cytopathological analysis were included. Patients in the benign and indeterminate cohorts had similar thyroid nodule volume reduction rates at 65.60% and 64.20%, respectively (p = 0.68). The two groups had similar nodular regrowth rates, at 11.2% for benign nodules and 9.40% for indeterminate nodules (p = 0.72). A total of three cases of transient dysphonia were reported. RFA of indeterminate thyroid nodules was comparable to that of benign thyroid nodules in all parameters of interest, including volume reduction rate. To our best knowledge, our work is the first North American analysis comparing benign and indeterminate thyroid nodules and suggests RFA to be a promising modality for the management of indeterminate thyroid nodules.
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- 2022
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13. Terlipressin and albumin: The good, the bad, and the unattractive (with apologies to Sergio Leone)
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Trana Hussaini, Mahmoud Omar, and Eric M. Yoshida
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medicine.medical_specialty ,Hepatorenal syndrome ,business.industry ,medicine ,Albumin ,Hepatology Corner ,General Medicine ,Intensive care medicine ,business ,Terlipressin ,medicine.disease ,medicine.drug - Published
- 2021
14. The Use of Mobile Messaging for Telecommunications with Patients in Ophthalmology: A Systematic Review
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Evan L. Waxman, Syed Z. Kaleem, Sarah Atta, and Mahmoud Omar
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Telemedicine ,Text Messaging ,business.industry ,Concordance ,Health Informatics ,Patient engagement ,General Medicine ,Telehealth ,medicine.disease ,Appointments and Schedules ,Ophthalmology ,Health Information Management ,Text messaging ,Telecommunications ,Medicine ,Humans ,Disease prevention ,Patient communication ,Medical emergency ,business ,Cell Phone - Abstract
Background: Communication and concordance between patients and providers are crucial for improved outcomes and disease prevention. Mobile health strategies have been shown to improve patient access...
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- 2021
15. Elevated Calcitonin Levels in a Patient With a Pheochromocytoma: A Case Report
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Areej Shihabi, Peter P. Issa, Katherine Cironi, Mahmoud Omar, Mohamed Abdelgawad, and Emad Kandil
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General Medicine - Abstract
Elevated calcitonin and catecholamine levels in patients with adrenal masses and thyroid nodules are suspicious for multiple endocrine neoplasia type 2A. Here, we present an interesting case with elevated catecholamines, thyroid nodules, and hypercalcitoninemia. A 46-year-old woman with complaint of abdominal pain was recently hospitalized. Abdominal computed tomography elicited a 7 cm left adrenal mass. Upon presentation to our clinic, the patient complained of abdominal pain, nausea, and diaphoresis. Laboratory studies showed elevated catecholamines, and a pheochromocytoma was subsequently diagnosed. Further evaluation elicited elevated calcitonin levels and a suspicious 3 cm left thyroid nodule, inciting concern for medullary thyroid carcinoma. The patient underwent an uneventful robot-assisted laparoscopic left adrenalectomy. Surgical pathology confirmed a pheochromocytoma. Post-operative calcitonin levels resolved to within normal range. The patient elected to undergo a left hemithyroidectomy. Surgical pathology confirmed calcitonin-negative nodular hyperplasia, negative for malignancy. The patient’s diagnosis was confined to a pheochromocytoma. Clinicians should investigate high calcitonin levels associated with a pheochromocytoma as it may not always be ascribed to the thyroid.
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- 2022
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16. Repeat tympanostomy tubes in children with Down syndrome
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Kishore Vellody, Mahmoud Omar, Andrew McCormick, Jennifer L. McCoy, and David H. Chi
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Down syndrome ,Pediatrics ,medicine.medical_specialty ,medicine.medical_treatment ,Population ,Protective factor ,03 medical and health sciences ,0302 clinical medicine ,030225 pediatrics ,medicine ,Humans ,Risk factor ,Tympanostomy tube ,Child ,030223 otorhinolaryngology ,education ,Prospective cohort study ,Retrospective Studies ,education.field_of_study ,Otitis Media with Effusion ,business.industry ,Incidence (epidemiology) ,Infant ,General Medicine ,medicine.disease ,Middle Ear Ventilation ,Otorhinolaryngology ,Effusion ,Case-Control Studies ,Pediatrics, Perinatology and Child Health ,Down Syndrome ,business - Abstract
Objectives Children with Down syndrome (DS) have a higher incidence of tympanostomy tube insertion (TTI) than children in the general population. As there were no studies investigating factors that are associated with multiple TTIs in children with DS, we sought to determine what factors increase or decrease the likelihood of repeat TTI in children with DS. Methods A retrospective case-control study was performed on consecutive children with DS from 2007 to 2018 with first TTI at a large tertiary children's hospital and follow-up duration at least 27 months since first TTI. Results 277 patients met the inclusion criteria. Repeat TTI rate was 61.4%. Having an indication of chronic otitis media with effusion (COME) at first TTI was an adjusted risk factor for increased rate of repeat TTI (OR: 2.01, 95%CI: 1.15–3.51, p = .014), while being older at first TTI was an adjusted protective factor for decreased rate of repeat TTI (OR: 0.84, 95%CI: 0.74–0.95, p = .004). Adenotonsillectomy at or before first TTI was not an adjusted protective factor for decreased rate of repeat TTI (OR: 0.915, 95%CI: 0.448–1.872, p = .809) and bilateral intra-operative fluid was not an adjusted risk factor for repeat TTI (OR: 1.97, 95%CI: 0.99–3.90, p = .054). Conclusion Children with DS were more likely to undergo repeat TTI if they were of younger age and if the indication for surgery was COME. The repeat TTI rate for children with DS was high at 61.4%. Prospective studies are warranted to more precisely investigate factors associated with repeat TTIs in this unique patient population.
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- 2021
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17. Open bites in a Saudi Arabian subpopulation presenting for orthodontic treatment: A retrospective study from Najran province
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Bandar A. Alyami, Ramat Oyebunmi Braimah, Salem Almoammar, and Mahmoud Omar Ibrahim
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education.field_of_study ,Demographics ,business.industry ,Population ,Oral habits ,Molar relationship ,Dentistry ,Retrospective cohort study ,General Medicine ,medicine.disease ,Female patient ,medicine ,Malocclusion ,education ,business ,Dental malocclusion - Abstract
Background: Open bite (OB) is a vertical malocclusion and is considered the most challenging malocclusion to manage. The aim of this study was to find out the prevalence and describe the pattern of OB among patients presenting for orthodontic treatment. Materials and Methods: Three hundred and twenty-six male and female patients who were presenting for orthodontic treatment of dental malocclusion were retrospectively reviewed. They were screened with cephalometric X-rays. Demographics and type of OBs were retrieved. Data were stored and analyzed using IBM SPSS Statistics for IOS Version 25 (Armonk, NY, USA: IBM Corp). Results: Of the 326 cases who presented for the management of different types of malocclusion, 78 (23.9%) had OB. There were 23 (29.5%) males and 55 (70.5%) females with an M: F ratio of 1:2.4. Age ranged from 9 to 40 years with mean ± standard deviation (19.5 ± 6.9). Most of the patients (33, 42.4%) were cases of anterior OB (AOB), 20 (25.6%) were cases of posterior OB (POB), while 25 (32.0%) cases were combined OB (COB). Bulk of the patients had Class I molar relationship (42, 53.8%). Six (7.7%) patients reported being involved in oral habits. Conclusion: A high prevalence of 42.4% of AOB, 25.6% of POB, and 32.0% for COB was reported. A population-based study is required in Najran province among preschool and early school children.
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- 2019
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18. Crossed pulmonary arteries with double aortic arch: a rare association
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Mahmoud Omar Alhallaq, Daniël De Wolf, Mahmoud Zaqout, and Pediatrics
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Male ,medicine.medical_specialty ,Double aortic arch ,Lung ,business.industry ,Infant ,Vascular ring ,Aorta, Thoracic ,Crossed pulmonary arteries ,double aortic arch ,General Medicine ,Pulmonary Artery ,medicine.disease ,medicine.anatomical_structure ,Internal medicine ,Pediatrics, Perinatology and Child Health ,medicine ,Cardiology ,Humans ,Abnormalities, Multiple ,CT Angiography ,Tomography, X-Ray Computed ,Cardiology and Cardiovascular Medicine ,business - Abstract
Crossed pulmonary arteries is a rare, benign congenital anomaly. Both pulmonary arteries cross each other on their course to each respective lung, thus forming a crisscross pattern. We report an infant with crossed pulmonary arteries and a complete vascular ring formed by double aortic arch.
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- 2014
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19. Re: Powers JM. p53-Mediated Apoptosis, Neuroglobin Overexpression, and Globin Deposits in a Patient with Hereditary Ferritinopathy. J Neuropathol Exp Neurol 2006;65:716-21
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Richard Shaw, Fiona E. McRonald, Mahmoud Omar, and Janet M. Risk
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Genetics ,Hereditary Ferritinopathy ,Cytoglobin ,Apoptosis ,General Medicine ,Biology ,Globins ,Pathology and Forensic Medicine ,Gene Expression Regulation, Neoplastic ,Cellular and Molecular Neuroscience ,Human disease ,Neurology ,Neoplasms ,Neuroglobin ,Ferritins ,Cancer research ,Heredodegenerative Disorders, Nervous System ,Humans ,Neurology (clinical) ,Globin ,Tumor Suppressor Protein p53 ,Hyaline - Abstract
To the Editor: We were interested to read the recent paper by J. M. Powers (1) describing the presence of neuroglobin and cytoglobin in the hyaline deposits of hereditary ferritinopathy patients. However, we were surprised by the author's assertion that hereditary ferritinopathy is the first human disease in which abnormalities of these globins have been identified. Research from our laboratory, and others, in fact indicates that cytoglobin ( CYGB ) may be …
- Published
- 2006
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