Internists
15 years of experience

Accepting new patients
University Place
Baylor College of Medicine
6620 Main St
Ste 1225
Houston, TX 77030
713-798-2678
Locations and availability (2)

Education ?

Medical School
(1995)

Awards & Distinctions ?

Associations
American Board of Internal Medicine

Affiliations ?

Dr. Guerra is affiliated with 3 hospitals.

Hospital Affilations

Score

Rankings

  • St Luke's Episcopal Hospital
    6720 Bertner Ave, Houston, TX 77030
    • Currently 4 of 4 crosses
    Top 25%
  • Texas Children's Hospital
    6621 Fannin St, Houston, TX 77030
    • Currently 1 of 4 crosses
  • St. Luke's Episcopal Hospital (Texas Medical Center
  • Publications & Research

    Dr. Guerra has contributed to 6 publications.
    Title Azathioprine Maintains Long-term Steroid-free Remission Through 3 Years in Patients with Steroid-dependent Ulcerative Colitis.
    Date July 2010
    Journal Inflammatory Bowel Diseases
    Excerpt

    Studies assessing the efficacy of azathioprine (AZA) in steroid-dependent ulcerative colitis (SD-UC) are scarce. The purpose of this trial was to explore the efficacy of AZA in maintaining steroid-free remission in SD-UC patients and the factors associated with sustained response.

    Title Early Onset Steroid-dependent Ulcerative Colitis is a Predictor of Azathioprine Response: a Longitudinal 12-month Follow-up Study.
    Date March 2010
    Journal Medical Science Monitor : International Medical Journal of Experimental and Clinical Research
    Excerpt

    Studies assessing the efficacy of azathioprine (AZA) in steroid-dependent ulcerative colitis (UC) are scarce. The aim of this study was to assess the long-term efficacy and safety of AZA in patients with steroid-dependent UC, as well as factors associated with sustained response.

    Title Expression of Fibroblast Growth Factor Receptors During Development and Regression of the Bovine Corpus Luteum.
    Date October 2008
    Journal Reproduction, Fertility, and Development
    Excerpt

    There is evidence that fibroblast growth factors (FGFs) are involved in the regulation of growth and regression of the corpus luteum (CL). However, the expression pattern of most FGF receptors (FGFRs) during CL lifespan is still unknown. The objective of the present study was to determine the pattern of expression of 'B' and 'C' splice variants of FGFRs in the bovine CL. Bovine CL were collected from an abattoir and classed as corpora hemorrhagica (Stage I), developing (Stage II), developed (Stage III) or regressed (Stage IV) CL. Expression of FGFR mRNA was measured by semiquantitative reverse transcription-polymerase chain reaction and FGFR protein was localised by immunohistochemistry. Expression of mRNA encoding the 'B' and 'C' spliced forms of FGFR1 and FGFR2 was readily detectable in the bovine CL and was accompanied by protein localisation. FGFR1C and FGFR2C mRNA expression did not vary throughout CL lifespan, whereas FGFR1B was upregulated in the developed (Stage III) CL. FGFR3B, FGFR3C and FGFR4 expression was inconsistent in the bovine CL. The present data indicate that FGFR1 and FGFR2 splice variants are the main receptors for FGF action in the bovine CL.

    Title Innovative Approaches to Reducing Nurses' Distractions During Medication Administration.
    Date August 2005
    Journal Journal of Continuing Education in Nursing
    Excerpt

    Contributing factors to medication errors include distractions, lack of focus, and failure to follow standard operating procedures. The nursing unit is vulnerable to a multitude of interruptions and distractions that affect the working memory and the ability to focus during critical times. Methods that prevent these environmental effects on nurses can help avert medication errors.

    Title [intracranial Saccular Aneurysms: Experimental Evaluation of Intravascular Therapeutic Procedures].
    Date October 1980
    Journal Arquivos De Neuro-psiquiatria
    Excerpt

    Studies were performed on adult mongrel dogs to evaluate the possibility of occluding saccular aneurysms with an intravascular injection of the tissue adhesive Bucrylat (isobutyl-2-cyanoacrylate). Fourteen surgically constructed carotid aneurysms were occluded by the injection of Bucrylat through a fluoroscopically positioned intra-arterial catheter. Angiography performed immediately before and after injection and up to 1 month following treatment revealed progressive and persistent occlusion of the aneurysms. The specimens examined histologically 1 month after the injection showed an endothelialized fibrous tissue bridge crossing the neck of the aneurysm what appear to indicate a permanent occlusion of the structures treated. A similar approach to treat intracranial aneurysms will depend on advances in the field of selective intracranial catheterization that will permit safe and accurate catheterization of the aneurysm sac.

    Title [evaluation of the Cost of Treating Pressure Ulcers in Hospitalized Patients Using Industrialized Dressings].
    Date
    Journal Ciência & Saúde Coletiva
    Excerpt

    This work evaluated wound dresses used in the Neurosurgery Department of Restauração Hospital: polyurethane, hydrogel and activated carbon wound dresses and hydrogel with alginate used for pressure ulcer care. This work aimed to identify a critical factor that increases demand and cost of wound dresses. The evaluation conducted at the Neurosurgery Department identified individuals at risk of pressure ulcer development. Sixty-two patients were evaluated and the prevalence of pressure ulcer was 22.6% according to the Braden scale. Comparative evaluation between patients that didn't receive preventive measures and others that received, showed that the average daily cost of hospitalization for the first group was 45% higher than the mean for the second group. The Wilcoxon-Mann-Withiney test compared the population at risk to develop pressure ulcer and population at low risk showing that the evaluation of Braden Scale scores between the groups presents statistically significant differences and confidence limits of 95%. Pressure ulcer is a key quality indicator in health services.It is possible to reduce costs and offer higher quality public health services by implementing a training program of nursing staff using a preventive measure protocol based on a test to evaluate risk as Braden Scale.


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