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  1. Article: Barrett's esophagus: review of diagnosis and treatment.

    Sappati Biyyani, Raja Shekhar / Chak, Amithab

    Gastroenterology report

    2013  Volume 1, Issue 1, Page(s) 9–18

    Abstract: Barrett's esophagus (BE) is an acquired condition characterized by replacement of stratified squamous epithelium by a cancer predisposing metaplastic columnar epithelium. Endoscopy with systemic biopsy protocols plays a vital role in diagnosis. ... ...

    Abstract Barrett's esophagus (BE) is an acquired condition characterized by replacement of stratified squamous epithelium by a cancer predisposing metaplastic columnar epithelium. Endoscopy with systemic biopsy protocols plays a vital role in diagnosis. Technological advancements in dysplasia detection improves outcomes in surveillance and treatment of patients with BE and dysplasia. These advances in endoscopic technology radically changed the treatment for dysplastic BE and early cancer from being surgical to organ-sparing endoscopic therapy. A multimodal treatment approach combining endoscopic resection of visible and/or raised lesions with ablation techniques for flat BE mucosa, followed by long-term surveillance improves the outcomes of BE. Safe and effective endoscopic treatment can be either tissue acquiring as in endoscopic mucosal resection and endoscopic submucosal dissection or tissue ablative as with photodynamic therapy, radiofrequency ablation and cryotherapy. Debatable issues such as durability of response, recognition and management of sub-squamous BE and optimal management strategy in patients with low-grade dysplasia and non-dysplastic BE need to be studied further. Development of safer wide field resection techniques, which would effectively remove all BE and obviate the need for long-term surveillance, is another research goal. Shared decision making between the patient and physician is important while considering treatment for dysplasia in BE.
    Language English
    Publishing date 2013-04-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 2710871-5
    ISSN 2052-0034
    ISSN 2052-0034
    DOI 10.1093/gastro/got015
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Haemophilus influenzae-induced lung hepatization.

    Goldman-Huertas, Emily / Sappati Biyyani, Raja Shekhar Reddy

    The American journal of the medical sciences

    2011  Volume 341, Issue 2, Page(s) 146

    MeSH term(s) Adult ; Community-Acquired Infections/diagnosis ; Community-Acquired Infections/diagnostic imaging ; Haemophilus Infections/diagnosis ; Haemophilus Infections/diagnostic imaging ; Haemophilus influenzae ; Humans ; Male ; Pneumonia, Bacterial/diagnosis ; Pneumonia, Bacterial/diagnostic imaging ; Tomography, X-Ray Computed
    Language English
    Publishing date 2011-02
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 82078-7
    ISSN 1538-2990 ; 0002-9629
    ISSN (online) 1538-2990
    ISSN 0002-9629
    DOI 10.1097/MAJ.0b013e3181d65685
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Prevalence of QT interval prolongation in inflammatory bowel disease.

    Pattanshetty, Deepak J / Gajulapalli, Rama Dilip / Anna, Kiran / Sappati Biyyani, Raja Shekhar

    The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology

    2016  Volume 27, Issue 2, Page(s) 136–142

    Abstract: Background/aims: There is growing evidence linking various cardiac complications with inflammatory bowel disease (IBD). Electrolyte abnormalities, chronic inflammation, and medication use (such as Infliximab) that are associated with IBD are all ... ...

    Abstract Background/aims: There is growing evidence linking various cardiac complications with inflammatory bowel disease (IBD). Electrolyte abnormalities, chronic inflammation, and medication use (such as Infliximab) that are associated with IBD are all independent risk factors for QT interval prolongation. Given that malignant ventricular arrhythmias are associated with QT interval prolongation, it is important to risk stratify this subset of patients. Our objective was to evaluate the prevalence of abnormal QT interval prolongation (defined by a QT interval of >450 ms in men and >460 ms in women) in an IBD population.
    Materials and methods: A retrospective chart review of patients with IBD from the Metro Hospital database was performed. Patients' demographic characteristics and laboratory data were abstracted. "RR" and "QT" intervals were measured from the last available electrocardiogram, and corrected QT (QTc) interval was calculated from lead II using Bazett's formula.
    Results: Of 142 eligible patients, 42.3% (n=22/52) of males and 48.9% (n=44/90) of females had a prolonged QTc interval. Patients with IBD having a prolonged QTc interval had a higher body mass index than those with a normal QTc interval (29.7±6.9 vs. 26.2±5.9, p=0.005).
    Conclusion: Our study demonstrates that patients with IBD are at a higher risk of developing QTc interval prolongation.
    MeSH term(s) Aged ; Arrhythmias, Cardiac/epidemiology ; Arrhythmias, Cardiac/etiology ; Electrocardiography ; Female ; Humans ; Inflammatory Bowel Diseases/complications ; Inflammatory Bowel Diseases/physiopathology ; Long QT Syndrome/epidemiology ; Long QT Syndrome/etiology ; Male ; Middle Aged ; Prevalence ; Retrospective Studies ; Risk Factors
    Language English
    Publishing date 2016-03
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 1340275-4
    ISSN 2148-5607 ; 1300-4948
    ISSN (online) 2148-5607
    ISSN 1300-4948
    DOI 10.5152/tjg.2015.150349
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  4. Article ; Online: Endoscopy in microstomia: thinking outside the box.

    Sappati-Biyyani, Raja Shekhar R / Kyprianou, Annette / Ferguson, D Roy

    Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association

    2011  Volume 9, Issue 5, Page(s) A18

    MeSH term(s) Adult ; Endoscopy, Digestive System/methods ; Female ; Humans ; Microstomia/pathology
    Language English
    Publishing date 2011-05
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2119789-1
    ISSN 1542-7714 ; 1542-3565
    ISSN (online) 1542-7714
    ISSN 1542-3565
    DOI 10.1016/j.cgh.2010.10.030
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  5. Article ; Online: No symptoms, no stress.

    Madhavan, Sethu M / Sappati Biyyani, Raja Shekhar R

    The American journal of medicine

    2009  Volume 122, Issue 5, Page(s) 432–434

    MeSH term(s) Chest Pain/diagnosis ; Chest Pain/etiology ; Coronary Angiography ; Coronary Artery Bypass/methods ; Coronary Stenosis/complications ; Coronary Stenosis/diagnosis ; Coronary Stenosis/surgery ; Diagnosis, Differential ; Drug-Eluting Stents ; Electrocardiography ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Syndrome
    Language English
    Publishing date 2009-05
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 80015-6
    ISSN 1555-7162 ; 1873-2178 ; 0002-9343 ; 1548-2766
    ISSN (online) 1555-7162 ; 1873-2178
    ISSN 0002-9343 ; 1548-2766
    DOI 10.1016/j.amjmed.2008.10.011
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  6. Article ; Online: Nutrition in hepatic encephalopathy.

    Chadalavada, Rajagopal / Sappati Biyyani, Raja Shekhar / Maxwell, John / Mullen, Kevin

    Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition

    2010  Volume 25, Issue 3, Page(s) 257–264

    Abstract: Protein calorie malnutrition (PCM) is a well-known complication of chronic liver disease (CLD). A major contribution to PCM in CLD is restriction of dietary protein intake. After many decades of injudicious reduction in dietary protein, cirrhotic ... ...

    Abstract Protein calorie malnutrition (PCM) is a well-known complication of chronic liver disease (CLD). A major contribution to PCM in CLD is restriction of dietary protein intake. After many decades of injudicious reduction in dietary protein, cirrhotic patients are now prescribed appropriate amounts of protein. PCM in CLD is known to be associated with life-threatening complications. In the general approach to these patients, the initial and most important step for the clinician is to recognize the extent of malnutrition. Most patients tolerate a normal amount of dietary protein without developing hepatic encephalopathy (HE). Oral branched-chain amino acids (BCAAs) have a limited role in HE. Patients who exhibit dietary protein intolerance originally were thought to be best treated with BCAA formulations. Mixed evidence has been reported in multiple studies. In keeping with other reports, this article shows that in animal protein-intolerant patients, even those with advanced cirrhosis, vegetable protein-based diets are well tolerated. Another approach to management of apparent dietary intolerance is to optimize HE treatment with available medications. This article reviews the causes of HE, minimal HE, and PCM; examines nutrition requirements and assessment; and discusses treatment options for malnutrition in HE.
    MeSH term(s) Amino Acids/therapeutic use ; Animals ; Dietary Proteins/therapeutic use ; Fibrosis/diet therapy ; Hepatic Encephalopathy/diet therapy ; Hepatic Encephalopathy/drug therapy ; Hepatic Encephalopathy/etiology ; Humans ; Liver Diseases/complications ; Liver Diseases/diet therapy ; Protein-Energy Malnutrition/diet therapy ; Protein-Energy Malnutrition/etiology
    Chemical Substances Amino Acids ; Dietary Proteins
    Language English
    Publishing date 2010-06
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 645074-x
    ISSN 1941-2452 ; 0884-5336
    ISSN (online) 1941-2452
    ISSN 0884-5336
    DOI 10.1177/0884533610368712
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  7. Article: Dyslipidemia and lipoprotein profiles in patients with inflammatory bowel disease.

    Sappati Biyyani, Raja Shekhar R / Putka, Brian S / Mullen, Kevin D

    Journal of clinical lipidology

    2010  Volume 4, Issue 6, Page(s) 478–482

    Abstract: Background: Dyslipidemia is a major risk factor for developing coronary artery disease. An increase in inflammatory cytokines may result in a decrease in lipoprotein lipase (LPL) enzyme activity, leading to a characteristic lipoprotein profile with ... ...

    Abstract Background: Dyslipidemia is a major risk factor for developing coronary artery disease. An increase in inflammatory cytokines may result in a decrease in lipoprotein lipase (LPL) enzyme activity, leading to a characteristic lipoprotein profile with increased triglycerides and decreased high-density lipoprotein (HDL) levels as seen in patients with systemic lupus erythematosus (SLE). Similar to SLE, patients with IBD have high circulatory levels of inflammatory cytokines. However, in these patients characteristic lipoprotein profiles have not been reported.
    Objectives: The purpose of this study is to identify and describe dyslipidemia and lipoprotein profiles in an IBD patient population.
    Methods: Medical records of patients diagnosed with IBD (Crohn's disease [CD] and ulcerative colitis [UC]) at an academic medical center between 2000 and 2007 were retrospectively reviewed for lipoprotein lipid measurements, serum albumin levels, risk factors, and treatment to modify lipoprotein concentrations. The lipoprotein guidelines and risk factors are based on the Third Report of the National Cholesterol Education Program Expert Panel on Detection, Evaluation, and Treatment of High Blood Cholesterol in Adults. Only patients with documented IBD diagnosis and lipoprotein profiles are included in the study. National Health and Nutrition Examination Survey (NHANES) 2005-2006 population database was used for control values.
    Results: A total of 393 patients (152 men and 241 women) diagnosed with IBD (188 CD and 205 UC) who were not on statins qualified for the study. Patients were grouped on the basis of gender (male and female) and IBD disease type (CD and UC). Compared with the male NHANES samples (with similar mean age and body mass index), total cholesterol and HDL-C were significantly lower and low-density lipoprotein cholesterol (LDL-C) and triglycerides were significantly greater in male patients with IBD. In female patients with IBD, the mean values for total cholesterol, HDL-C, and triglycerides were significantly lower and LDL-C significantly greater compared with the female NHANES samples.
    Conclusion: Given low levels of HDL-C and increased levels of LDL-C, a more aggressive approach in profiling and treating dyslipidemia seems warranted in patients with IBD.
    MeSH term(s) Adult ; Aged ; Dyslipidemias/blood ; Dyslipidemias/complications ; Female ; Humans ; Inflammatory Bowel Diseases/blood ; Inflammatory Bowel Diseases/complications ; Lipoproteins, HDL/blood ; Lipoproteins, LDL/blood ; Male ; Middle Aged ; Retrospective Studies ; Risk Factors ; Triglycerides/blood
    Chemical Substances Lipoproteins, HDL ; Lipoproteins, LDL ; Triglycerides
    Language English
    Publishing date 2010-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2365061-8
    ISSN 1876-4789 ; 1933-2874
    ISSN (online) 1876-4789
    ISSN 1933-2874
    DOI 10.1016/j.jacl.2010.08.021
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  8. Article: Metformin-induced cholangiohepatitis.

    Biyyani, Raja Shekhar Reddy Sappati / Battula, Smitha / Erhardt, Christopher A / Korkor, Khalil

    BMJ case reports

    2009  Volume 2009

    Abstract: Drug-induced cholangiohepatitis accounts for 20-50% of non-viral chronic hepatitis cases. Metformin is the most commonly prescribed oral anti-diabetic drug from the biguanide class used in treatment of overweight and obese type 2 diabetes mellitus ... ...

    Abstract Drug-induced cholangiohepatitis accounts for 20-50% of non-viral chronic hepatitis cases. Metformin is the most commonly prescribed oral anti-diabetic drug from the biguanide class used in treatment of overweight and obese type 2 diabetes mellitus patients. Metformin-induced cholangiohepatitis with marked elevations in serum liver transaminases and intrahepatic cholestasis has been infrequently reported. Here, we report a case of acute cholangiohepatitis after initiation of metformin treatment.
    Language English
    Publishing date 2009-07-14
    Publishing country England
    Document type Journal Article
    ISSN 1757-790X
    ISSN 1757-790X
    DOI 10.1136/bcr.09.2008.0950
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  9. Article ; Online: Recurrent bacterial meningitis: a new reason to wear a seat belt while driving.

    Nemeth, Attila S / Crook, Robert E / Glagola, Sandra / Sappati Biyyani, Raja Shekhar R

    Journal of hospital medicine

    2010  Volume 5, Issue 5, Page(s) E1–3

    MeSH term(s) Accidents, Traffic ; Automobile Driving ; Craniocerebral Trauma/complications ; Craniocerebral Trauma/diagnosis ; Craniocerebral Trauma/prevention & control ; Female ; Humans ; Meningitis, Bacterial/diagnosis ; Meningitis, Bacterial/etiology ; Meningitis, Bacterial/prevention & control ; Middle Aged ; Pneumococcal Infections/diagnosis ; Pneumococcal Infections/etiology ; Pneumococcal Infections/prevention & control ; Seat Belts ; Secondary Prevention
    Language English
    Publishing date 2010-05
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 2233783-0
    ISSN 1553-5606 ; 1553-5592
    ISSN (online) 1553-5606
    ISSN 1553-5592
    DOI 10.1002/jhm.504
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  10. Article ; Online: Quetiapine-induced peripheral edema.

    Roy, Kausik / Astreika, Vera / Dunn, Jonathan E / Sappati Biyyani, Raja Shekhar R

    General hospital psychiatry

    2009  Volume 31, Issue 2, Page(s) 194–195

    Abstract: Quetiapine fumarate is an atypical antipsychotic with relatively benign side-effect profile. Here we report a rare side-effect of quetiapine use. This is the second reported case of peripheral edema with quetiapine use. Unaware of this rare side-effect, ... ...

    Abstract Quetiapine fumarate is an atypical antipsychotic with relatively benign side-effect profile. Here we report a rare side-effect of quetiapine use. This is the second reported case of peripheral edema with quetiapine use. Unaware of this rare side-effect, patient had to endure extensive investigations.
    MeSH term(s) Adrenergic alpha-Antagonists/therapeutic use ; Adult ; Antipsychotic Agents/adverse effects ; Dibenzothiazepines/adverse effects ; Edema/chemically induced ; Edema/complications ; Female ; Humans ; Prazosin/therapeutic use ; Psychotic Disorders/drug therapy ; Quetiapine Fumarate ; Sleep Initiation and Maintenance Disorders/complications ; Sleep Initiation and Maintenance Disorders/drug therapy
    Chemical Substances Adrenergic alpha-Antagonists ; Antipsychotic Agents ; Dibenzothiazepines ; Quetiapine Fumarate (2S3PL1B6UJ) ; Prazosin (XM03YJ541D)
    Language English
    Publishing date 2009-03
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 392299-6
    ISSN 1873-7714 ; 0163-8343
    ISSN (online) 1873-7714
    ISSN 0163-8343
    DOI 10.1016/j.genhosppsych.2008.08.001
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