Medical Specialties Commons^™

Bioavailability And Spatial Distribution Of Fatty Acids In The Rat Retina After Dietary Omega-3 Supplementation, Elisa Vidal, Bokkyoo Jun, William C. Gordon, Marie Annick Maire, Lucy Martine, Stéphane Grégoire, Spiro Khoury, Stephanie Cabaret, Olivier Berdeaux, Niyazi Acar, Lionel Bretillon, Nicolas G. Bazan

School of Medicine Faculty Publications

Spatial changes of FAs in the retina in response to different dietary n-3 formulations have never been explored, although a diet rich in EPA and DHA is recommended to protect the retina against the effects of aging. In this study, Wistar rats were fed for 8 weeks with balanced diet including either EPA-containing phospholipids (PLs), EPA-containing TGs, DHA-containing PLs, or DHA-containing TGs. Qualitative changes in FA composition of plasma, erythrocytes, and retina were evaluated by gas chromatography-flame ionization detector. Following the different dietary intakes, changes to the quantity and spatial organization of PC and PE species in retina were determined …

Combating Acquired Resistance To Mapk Inhibitors In Melanoma By Targeting Abl1/2-Mediated Reactivation Of Mek/Erk/Myc Signaling, Rakshamani Tripathi, Zulong Liu, Aditi Jain, Anastasia Lyon, Christina Meeks, Dana Richards, Jinpeng Liu, Daheng He, Chi Wang, Marika Nespi, Andrey Rymar, Peng Wang, Melissa Wilson, Rina Plattner

Pharmacology and Nutritional Sciences Faculty Publications

Metastatic melanoma remains an incurable disease for many patients due to the limited success of targeted and immunotherapies. BRAF and MEK inhibitors reduce metastatic burden for patients with melanomas harboring BRAF mutations; however, most eventually relapse due to acquired resistance. Here, we demonstrate that ABL1/2 kinase activities and/or expression are potentiated in cell lines and patient samples following resistance, and ABL1/2 drive BRAF and BRAF/MEK inhibitor resistance by inducing reactivation of MEK/ERK/MYC signaling. Silencing/inhibiting ABL1/2 blocks pathway reactivation, and resensitizes resistant cells to BRAF/MEK inhibitors, whereas expression of constitutively active ABL1/2 is sufficient to promote resistance. Significantly, nilotinib (2nd generation …

Actinic Granuloma Responding To Doxycycline, George M. Jeha, Kathryn Olivier Luckett, Lauren Kole

School of Medicine Faculty Publications

No abstract provided.

Cd123 As A Biomarker In Hematolymphoid Malignancies: Principles Of Detection And Targeted Therapies, Hanadi El Achi, Edouard Dupont, Shilpa Paul, Joseph D Khoury

Faculty, Staff and Student Publications

CD123, the α chain of the interleukin 3 receptor, is a cytokine receptor that is overexpressed in multiple hematolymphoid neoplasms, including acute myeloid leukemia, blastic plasmacytoid dendritic cell neoplasm, acute lymphoblastic leukemia, hairy cell leukemia, and systemic mastocytosis. Importantly, CD123 expression is upregulated in leukemic stem cells relative to non-neoplastic hematopoietic stem cells, which makes it a useful diagnostic and therapeutic biomarker in hematologic malignancies. Varying levels of evidence have shown that CD123-targeted therapy represents a promising therapeutic approach in several cancers. Tagraxofusp, an anti-CD123 antibody conjugated to a diphtheria toxin, has been approved for use in patients with blastic …

Clinical Approach To A Request For Phentermine-Topiramate In A Young Woman With A History Of High-Risk Eating Behavior, Erin Spencer

Clinical Research in Practice: The Journal of Team Hippocrates

A clinical decision report appraising Safer DL, Adler S, Dalai SS, et al. A randomized, placebo-controlled crossover trial of phentermine-topiramate ER in patients with binge-eating disorder and bulimia nervosa. Int J Eat Disord. 2019;(September):1-12. https://doi.org/10.1002/eat.23192 to inform the clinical decision of whether or not to prescribe phentermine-topiramate to an overweight 27-year-old woman who endorses risky eating behaviors.

Cyclosporine Shows Benefit As Compared To Methotrexate For Treatment Of Pediatric Atopic Dermatitis Refractory To Topical Medications When Rapidity Of Clinical Response Is Of Key Importance To The Patient, Connor R. Buechler, Steven Daveluy Md

Clinical Research in Practice: The Journal of Team Hippocrates

A clinical decision report appraising El-Khalawany MA, Hassan H, Shaaban D, Ghonaim N, Eassa B. Methotrexate versus cyclosporine in the treatment of severe atopic dermatitis in children: a multicenter experience from Egypt. European Journal of Pediatrics. 2012;172(3):351-356. https://doi.org10.1007/s00431-012-1893-3 for a pediatric patient with severe atopic dermatitis.

Antioxidant Carbon Nanoparticles Inhibit Fibroblast-Like Synoviocyte Invasiveness And Reduce Disease Severity In A Rat Model Of Rheumatoid Arthritis, Mark R Tanner, Redwan Huq, William K A Sikkema, Lizanne G Nilewski, Nejla Yosef, Cody Schmitt, Carlos P Flores-Suarez, Arielle Raugh, Teresina Laragione, Pércio S Gulko, James M Tour, Christine Beeton

Faculty, Staff and Students Publications

Reactive oxygen species have been involved in the pathogenesis of rheumatoid arthritis (RA). Our goal was to determine the effects of selectively scavenging superoxide (O2•−) and hydroxyl radicals with antioxidant nanoparticles, called poly(ethylene glycol)-functionalized hydrophilic carbon clusters (PEG-HCCs), on the pathogenic functions of fibroblast-like synoviocytes (FLS) from patients with rheumatoid arthritis (RA) and on the progression of an animal model of RA. We used human FLS from patients with RA to determine PEG-HCC internalization and effects on FLS cytotoxicity, invasiveness, proliferation, and production of proteases. We used the pristane-induced arthritis (PIA) rat model of RA to assess the benefits of …

Tumor Somatic Mutations Also Existing As Germline Polymorphisms May Help To Identify Functional Snps From Genome-Wide Association Studies, Ivan P Gorlov, Xiangjun Xia, Spiridon Tsavachidis, Olga Y Gorlova, Christopher I Amos

Faculty, Staff and Students Publications

We hypothesized that a joint analysis of cancer risk-associated single-nucleotide polymorphism (SNP) and somatic mutations in tumor samples can predict functional and potentially causal SNPs from GWASs. We used mutations reported in the Catalog of Somatic Mutations in Cancer (COSMIC). Confirmed somatic mutations were subdivided into two groups: (1) mutations reported as SNPs, which we call mutational/SNPs and (2) somatic mutations that are not reported as SNPs, which we call mutational/noSNPs. It is generally accepted that the number of times a somatic mutation is reported in COSMIC correlates with its selective advantage to tumors, with more frequently reported mutations being …

Distribution Of Microglial Phenotypes As A Function Of Age And Alzheimer's Disease Neuropathology In The Brains Of People With Down Syndrome, Alessandra C. Martini, Alex M. Helman, Katie L. Mccarty, Ira T. Lott, Eric Doran, Frederick A. Schmitt, Elizabeth Head

Sanders-Brown Center on Aging Faculty Publications

Introduction: Microglial cells play an important role in the development of Alzheimer's disease (AD). People with Down syndrome (DS) inevitably develop AD neuropathology (DSAD) by 40 years of age. We characterized the distribution of different microglial phenotypes in the brains of people with DS and DSAD.

Methods: Autopsy tissue from the posterior cingulate cortex (PCC) from people with DS, DSAD, and neurotypical controls was immunostained with the microglial marker Iba1 to assess five microglia morphological types.

Results: Individuals with DS have more hypertrophic microglial cells in their white matter. In the gray matter, individuals with DSAD had significantly fewer ramified …

Ace2 Mouse Models: A Toolbox For Cardiovascular And Pulmonary Research, Hongpeng Jia, Xinping Yue, Eric Lazartigues

School of Medicine Faculty Publications

Angiotensin-converting enzyme 2 (ACE2) has been identified as the host entry receptor for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) responsible for the COVID-19 pandemic. ACE2 is a regulatory enzyme of the renin-angiotensin system and has protective functions in many cardiovascular, pulmonary and metabolic diseases. This review summarizes available murine models with systemic or organ-specific deletion of ACE2, or with overexpression of murine or human ACE2. The purpose of this review is to provide researchers with the genetic tools available for further understanding of ACE2 biology and for the investigation of ACE2 in the pathogenesis and treatment of COVID-19.

A Body Shape Index Significantly Predicts Mri-Defined Abdominal Adipose Tissue Depots In Non-Obese Asian Indians With Type 2 Diabetes Mellitus, Shajith Anoop, Jesse Krakauer, Nir Krakauer, Anoop Misra

Publications and Research

Introduction: We aimed to determine the correlations of volumes of subcutaneous abdominal adipose tissue (SCAT) (anterior, posterior, superficial and deep), total SCAT, intraperitoneal adipose tissue, retroperitoneal abdominal adipose tissue (RPAT), total intra-abdominal adipose tissue (IAAT), pancreatic volume, liver span, total body fat (TBF) and truncal fat mass (TFM) with anthropometric indices, viz., A Body Shape Index (ABSI), Hip Index, their Z scores and Anthropometric Risk Index in non-obese (body mass index (BMI) /m²) Asian Indians with type 2 diabetes mellitus (T2DM).

Research design and methods: Non-obese patients with T2DM (cases; n, 85) and BMI-matched, healthy subjects …

Genome-Wide Dna Methylation Profiling In Human Breast Tissue By Illumina Truseq Methyl Capture Epic Sequencing And Infinium Methylationepic Beadchip Microarray, Nan Lin, Jinpeng Liu, James Castle, Jun Wan, Aditi Shendre, Yunlong Liu, Chi Wang, Chunyan He

Markey Cancer Center Faculty Publications

A newly-developed platform, the Illumina TruSeq Methyl Capture EPIC library prep (TruSeq EPIC), builds on the content of the Infinium MethylationEPIC Beadchip Microarray (EPIC-array) and leverages the power of next-generation sequencing for targeted bisulphite sequencing. We empirically examined the performance of TruSeq EPIC and EPIC-array in assessing genome-wide DNA methylation in breast tissue samples. TruSeq EPIC provided data with a much higher density in the regions when compared to EPIC-array (~2.74 million CpGs with at least 10X coverage vs ~752 K CpGs, respectively). Approximately 398 K CpGs were common and measured across the two platforms in every sample. Overall, there …

Clinical Application Of Oncolytic Viruses: A Systematic Review, Mary Cook, Aman Chauhan

Internal Medicine Faculty Publications

Leveraging the immune system to thwart cancer is not a novel strategy and has been explored via cancer vaccines and use of immunomodulators like interferons. However, it was not until the introduction of immune checkpoint inhibitors that we realized the true potential of immunotherapy in combating cancer. Oncolytic viruses are one such immunotherapeutic tool that is currently being explored in cancer therapeutics. We present the most comprehensive systematic review of all oncolytic viruses in Phase 1, 2, and 3 clinical trials published to date. We performed a systematic review of all published clinical trials indexed in PubMed that utilized oncolytic …

Age Based Evaluation Of Nut Aspiration Risk., Jill N D'Souza, Taher S Valika, Bharat Bhushan, Jonathan B Ida

School of Medicine Faculty Publications

Objective: To identify an age at which initiation of whole nut into the pediatric diet could be considered safe, by evaluating the age distribution of children undergoing bronchoscopy with removal of nut or seed material from the airway. Method: A retrospective chart review over a ten-year period identifying children age 0–18 that have undergone bronchoscopy with retrieval of airway foreign bodies. A statistical analysis of demographic data was carried out to identify age distribution of aspiration events. Results: Sixty-four cases of foreign body aspiration were identified, of which 43 (67%) were of organic origin, specifically nuts. A Fisher's exact test …

Adaptive Thermogenesis Enhances The Life-Threatening Response To Heat In Mice With An Ryr1 Mutation, Hui J Wang, Chang Seok Lee, Rachel Sue Zhen Yee, Linda Groom, Inbar Friedman, Lyle Babcock, Dimitra K Georgiou, Jin Hong, Amy D Hanna, Joseph Recio, Jong Min Choi, Ting Chang, Nadia H Agha, Jonathan Romero, Poonam Sarkar, Nicol Voermans, M Waleed Gaber, Sung Yun Jung, Matthew L Baker, Robia G Pautler, Robert T Dirksen, Sheila Riazi, Susan L Hamilton

Faculty, Staff and Students Publications

Mutations in the skeletal muscle Ca2+ release channel, the type 1 ryanodine receptor (RYR1), cause malignant hyperthermia susceptibility (MHS) and a life-threatening sensitivity to heat, which is most severe in children. Mice with an MHS-associated mutation in Ryr1 (Y524S, YS) display lethal muscle contractures in response to heat. Here we show that the heat response in the YS mice is exacerbated by brown fat adaptive thermogenesis. In addition, the YS mice have more brown adipose tissue thermogenic capacity than their littermate controls. Blood lactate levels are elevated in both heat-sensitive MHS patients with RYR1 mutations and YS mice due to …

The Srg Rat, A Sprague-Dawley Rag2/Il2rg Double-Knockout Validated For Human Tumor Oncology Studies, Fallon K. Noto, Jaya Sangodkar, Bisoye Towobola Adedeji, Sam Moody, Christopher B. Mcclain, Ming Tong, Eric Ostertag, Jack Crawford, Xiaohua Gao, Lauren Hurst, Caitlin M. O'Connor, Erika N. Hanson, Sudeh Izadmehr, Rita Tohmé, Jyothsna Narla, Kristin Lesueur, Kajari Bhattacharya, Amit Rupani, Marwan K. Tayeh, Jeffrey W. Innis, Matthew D. Galsky, B. Mark Evers, Analisa Difeo, Goutham Narla, Tseten Y. Jamling

Markey Cancer Center Faculty Publications

We have created the immunodeficient SRG rat, a Sprague-Dawley Rag2/Il2rg double knockout that lacks mature B cells, T cells, and circulating NK cells. This model has been tested and validated for use in oncology (SRG OncoRat®). The SRG rat demonstrates efficient tumor take rates and growth kinetics with different human cancer cell lines and PDXs. Although multiple immunodeficient rodent strains are available, some important human cancer cell lines exhibit poor tumor growth and high variability in those models. The VCaP prostate cancer model is one such cell line that engrafts unreliably and grows irregularly in …

Risk Prediction Rule For Advanced Neoplasia On Screening Colonoscopy For Average-Risk Individuals, Ala I Sharara, Ali El Mokahal, Ali H Harb, Natalia Khalaf, Fayez S Sarkis, Mustapha M El-Halabi, Nabil M Mansour, Ahmad Malli, Robert Habib

Faculty, Staff and Students Publications

BACKGROUND: In resource-limited countries, risk stratification can be used to optimize colorectal cancer screening. Few prospective risk prediction models exist for advanced neoplasia (AN) in true average-risk individuals.

AIM: To create and internally validate a risk prediction model for detection of AN in average-risk individuals.

METHODS: Prospective study of asymptomatic individuals undergoing first screening colonoscopy. Detailed characteristics including diet, exercise and medications were collected. Multivariate logistic regression was used to elucidate risk factors for AN (adenoma ≥1 cm, villous histology, high-grade dysplasia or carcinoma). The model was validated through bootstrapping, and discrimination and calibration of the model were assessed.

RESULTS: …

Liposomal Delivery Of Azithromycin Enhances Its Immunotherapeutic Efficacy And Reduces Toxicity In Myocardial Infarction, Ahmed Al-Darraji, Renée R. Donahue, Himi Tripathi, Hsuan Peng, Bryana M. Levitan, Lakshman Chelvarajan, Dalia Haydar, Erhe Gao, David Henson, John C. Gensel, David J. Feola, Vincent J. Venditto, Ahmed K. Abdel-Latif

Gill Heart & Vascular Institute Faculty Publications

A growing body of evidence shows that altering the inflammatory response by alternative macrophage polarization is protective against complications related to acute myocardial infarction (MI). We have previously shown that oral azithromycin (AZM), initiated prior to MI, reduces inflammation and its negative sequelae on the myocardium. Here, we investigated the immunomodulatory role of a liposomal AZM formulation (L-AZM) in a clinically relevant model to enhance its therapeutic potency and avoid off-target effects. L-AZM (40 or 10 mg/kg, IV) was administered immediately post-MI and compared to free AZM (F-AZM). L-AZM reduced cardiac toxicity and associated mortality by 50% in mice. We …

Feasibility Of Treating High Grade Gliomas In Children With Tumor-Treating Fields: A Case Series., John Crawford, Marlon G Saria, Girish Dhall, Ashley Margol, Santosh Kesari

Articles, Abstracts, and Reports

Children diagnosed with high grade gliomas (HGG) have dismal prognoses and treatment options remain limited. Tumor treating fields (TTFields) in combination with temozolomide (TMZ) is approved for the treatment of newly diagnosed and recurrent glioblastoma (GBM) in adult patients. However, clinical experience with TTFields in the pediatric HGG population is lacking. This retrospective review of four clinical cases was undertaken to evaluate the feasibility of treating children diagnosed with HGG off-label with TTFields. Patients were evaluated for device compliance, safety, and outcome. Treatment with TTFields was delivered via four transducer arrays placed on the shaved scalp, which were connected to …

Profile Of Patients Visiting The Pediatric Emergency Service In El-Behera Hospitals, Hamouda E. El Gazzar, Kareem A.E Awad, Mahmoud T. Elmougi, Mohamed F. Alsoda, Tahseen S.M Yousef

Journal of Medicine in Scientific Research

Background The emergency department (ED) is an essential component of the medical service offered in any hospital. However, the published information about patients' profile and utilization of emergency services in both developing and developed countries is scarce. Visits caused by nonserious diseases remain a burden on the ED, preventing efficient and effective use of health services and compromising quality. Aim This study aimed to characterize the profile of patients visiting the emergency service in El-Behera Hospitals (Damanhour Teaching Hospital, Central Abohommos Hospital, and General Kafr Eldawar Hospital), describing the epidemiology of patient presentations and outcome in the ED. Patients and …

Trabeculectomy Outcomes For Patients With Advanced Glaucoma, Ahmed S. Dewedar, Hanan M. Elghonemy, Mettias Nader, Nagla H. Shaban

Journal of Medicine in Scientific Research

Context Safety and cost-effectiveness of trabeculectomy in advanced glaucoma is essential. Aim The aim was to evaluate the visual outcome and visual field (VF) changes in patients with advanced glaucoma who underwent trabeculectomy. Settings and design The study was done on 36 eyes clinically diagnosed with advanced primary open-angle glaucoma (POAG) who were uncontrolled on medical treatment and had cup-to-disc ratio (CDR) of more than 0.85 along with severe glaucomatous VF defects. The visual outcome changes were evaluated after 1 week, 1 month, and 3 months following trabeculectomy, whereas VF changes were evaluated at 3 months after trabeculectomy. Participants and …

Dried Amniotic Membrane Grafting As An Adjuvant To Canal Wall-Down Procedure In Pediatric Cholesteatoma, Mohammad M. Gaballah

Journal of Medicine in Scientific Research

Purpose To evaluate the effect of dried amniotic membrane grafting on healing of radical cavity after canal wall-down procedure. Patients and methods A total of 24 cases were included. All had canal wall-down surgery done with the use of dried amniotic membrane at the end of procedure to line the radical cavity. According to the course of healing, cases were divided into four groups regarding wideness and dryness of cavity. Results were statistically analyzed. Results Among the 24 patients in the postoperative follow-up period of 6 months, only three (12.5%) patients needed revision meatoplasty for having narrow and wet cavities. …

Kay Annuloplasty Of The Tricuspid Valve Versus Ring Annuloplasty For Repair Of Functional Tricuspid Regurgitation, Emad Sarawy, Maged Kisho, Wael Abdelateif

Journal of Medicine in Scientific Research

Objective Ideal management of functional tricuspid regurgitation (TR) has been a matter of debate for a long time. We try to discuss the midterm results with tricuspid Kay annuloplasty versus ring tricuspid annuloplasty for the treatment of functional TR. Patients and methods From January 2015 to January 2019, 82 patients underwent tricuspid annuloplasty for functional TR as part of their cardiac surgical procedure. Kay annuloplasty was performed in 55 patients and ring annuloplasty in 27 patients. Preoperatively, patients had moderate or greater TR with a median regurgitation of +3. Follow-up information was obtained for the patients with a mean follow-up …

Complete Preservation Of Mitral Valve Apparatus Versus Posterior Leaflet Preservation Only During Mitral Valve Replacement For Rheumatic Mitral Regurgitation, Maged M. Kisho

Journal of Medicine in Scientific Research

Objectives In the present study we investigated whether preservation of both leaflets (anterior and Posterior with subvalvular apparatus) is superior to preservation of the posterior leaflet Alone. Patients and Methods 30 patients who underwent mitral valve replacement in our institute were divided into 2 groups: MVR-C (n=16), in whom both leaflets were preserved, and MVR-P (n=14), in Whom only the posterior leaflet was preserved. The preoperative and postoperative clinical And echocardiographic findings were evaluated. Results No evidence of obstruction at the left ventricular outflow tract was observed in both groups. In the MVR-C group, no deterioration …

Advantages Of Transradial Cardiac Catheterization Regarding Complications (Bleeding And Hematomas), Care, And Hospital Stay Over The Femoral Techniques, Tarek Alkholi

Journal of Medicine in Scientific Research

Background In the hands of experienced operators and high-volume transradial catheterization centers, transradial coronary angiography and intervention offers improved patient comfort, decreased access-site complications, and decreased costs without compromising procedural success or long-term outcomes. Patients presenting with ST-elevation myocardial infarction, in particular, benefit from a transradial approach to coronary intervention. Transradial access has become the default mode of catheterization for a growing number of cardiologists and will undoubtedly continue to be increasingly performed. Objective This was a retrograde study in 100 patients who were involved in coronary angiography whether as emergency acute coronary syndrome or elective cases. The patients were …

Percutaneous Transluminal Angioplasty For Isolated Infrapopliteal Arterial Occlusive Disease In Diabetic Patients With Critical Limb Ischemia, Asim M. Herz-Allah, Mohamad T. Yousuf, Mohamad M. Gouda, Sherine I. Elwan

Journal of Medicine in Scientific Research

Background Critical limb ischemia (CLI) is considered the most severe stage of peripheral artery disease. Patients with CLI typically have the disease affecting multiple levels (i.e. aortoiliac, femoropopliteal, and infrapopliteal). CLI due to isolated infrapopliteal arterial disease is commonly seen in patients with long-standing diabetes mellitus, chronic kidney disease, or the elderly. Endovascular treatment of infrapopliteal arteries has been considered a primary approach for revascularization in CLI. Objective The aim of this study was to evaluate the efficacy of percutaneous transluminal angioplasty (PTA) for isolated infrapopliteal arterial occlusive disease in diabetic patients with CLI. Patients and methods This prospective study …

Comparative Study Between Standard Aortic Valve Replacement And Ministernotomy Aortic Valve Replacement, Ahmed El Shemy, Emad Sarawy, Maged Kisho

Journal of Medicine in Scientific Research

Objectives The aim of this study is to evaluate the outcome of the recalled upper minimally invasive aortic valve replacement (MIAVR) J-shaped technique and full standard median sternotomy techniques aortic valve replacement (AVR). Background Over the past 20 years, MIAVR has evolved into a safe, well-tolerated, and efficient surgical treatment option for aortic valve disease. It has been shown to reduce postoperative morbidity, providing faster recovery and rehabilitation, shorter hospital stays, and better cosmetic results, as it reduces the incidences of wound infection owing to small incision length, especially in our diabetic fatty Egyptian female patients. Patients and methods Between …

Transcatheter Aortic Valve Implantation Vs Surgical Aortic Valve Replacement In High-Risk Patients With Aortic Stenosis, Emad Sarawy

Journal of Medicine in Scientific Research

Objective The aim was to demonstrate whether transcatheter aortic valve implantation (TAVI) improves mortality and morbidity compared with standard surgical aortic valve replacement (SAVR) in high-risk patients requiring intervention for aortic valve stenosis (AS). Many patients with severe AS and coexisting morbidity are not candidates for surgical replacement of the aortic valve (AV). TAVI has been suggested as an alternative less invasive treatment for high-risk patients with AS. Patients and methods A total of 50 patients with high-risk severe AS for AV intervention were classified into: group A, the TAVI group, including 25 patients who underwent AV replacement via the …

Effectiveness Of Posterior Long-Segment Fixation And Decompression In Comparison With Short-Segment Fixation And Decompression In Management Of Traumatic Burst Thoracolumbar Fractures, Sameh M. Saleh

Journal of Medicine in Scientific Research

Background The optimal management of thoracolumbar spine fractures remains a matter of controversy. The literature implies that the use of short-segment (SS) pedicle screw fixation may be inappropriate because of its high reported failure rate. To overcome this, currently long-segment (LS) pedicle instrumentation for thoracolumbar (T-L) fractures is gaining popularity. Aim The aim was to assess and compare the efficacy and safety of LS versus SS fixation with posterior decompression for the treatment of traumatic thoracolumbar burst fractures. Patients and methods This prospective study was carried out at the Department of Neurosurgery, Matarya Teaching Hospital. A total of 70 patients …

Unusual False-Negative Serum Human Chorionic Gonadotropin Detected By Qualitative Immunoassay: A Case Report Of Two Iraqi Women, Bashar J. Kadem, Falah H.O Al-Khikani

Journal of Medicine in Scientific Research

Human chorionic gonadotropin (hCG) is a human pregnancy hormone that plays a crucial role in the promotion, maintenance, and establishment of pregnancy. Measurement of hCG in early pregnancy is the first and most common test. Blood is considered to have more concentration of hCG than urine, so early detection of pregnancy test is more advised in serum than urine, but this study showed two Iraqi pregnant women with false-negative hCG result in the blood, whereas it was positive in urine, with persisting pregnancy symptoms. This study is considered the first report regarding this finding. In spite of hCG in serum …