Browse Health
Family Practitioner, Primary Care Doctor, Obstetrician & Gynecologist (OB/GYN)
18 years of experience
Accepting new patients


Education ?

Medical School Score Rankings
University of North Texas (1993)
Top 50%

Affiliations ?

Dr. Robles is affiliated with 10 hospitals.

Hospital Affiliations



  • Harris Methodist H E B
    1600 Hospital Pkwy, Bedford, TX 76022
    Top 25%
  • Baylor All Saints Medical Centers
    1400 8th Ave, Fort Worth, TX 76104
    Top 25%
  • Texas Health Harris Methodist Hospital Southwest Fort Worth
    6100 Harris Pkwy, Fort Worth, TX 76132
    Top 25%
  • Texas Health Harris Methodist Hospital Fort Worth
    1301 Pennsylvania Ave, Fort Worth, TX 76104
    Top 25%
  • Texas Health Presbyterian Hospital Of Dallas
    8200 Walnut Hill Ln, Dallas, TX 75231
    Top 50%
  • Jps Health Network
    1500 S Main St, Fort Worth, TX 76104
  • Harris Methodist Downtown
  • TX Health Fort Worth
  • Harris Continued Care Hospital
    1301 Pennsylvania Ave, Fort Worth, TX 76104
  • JPS Diagnostic and Surgery Hospital of Arlington
    4400 New York Ave, Arlington, TX 76018
  • Publications & Research

    Dr. Robles has contributed to 28 publications.
    Title [patients' Paths to a Designated Reference Center for Severe Obesity: the Example of the Montpellier Regional Hospital Center].
    Date April 2010
    Journal Presse Médicale (paris, France : 1983)

    Bariatric surgery is booming in France and there is increasing interest in developing new surgical techniques. It is essential to manage such surgery in a multidisciplinary fashion: rigorous coordination is required along with adaptability to the local care available. Organization into centers of excellence is encouraged, and good communication between the hospital medicosurgical team and the private practitioners are highly recommended. Multidisciplinary meetings for therapeutic decisions are invaluable because they allow the direct exchange of information between the hospital staff and private practitioners. The selection of one member of the hospital team as liaison for each patient can facilitate the organization of postsurgical follow up Long-term follow-up of these patients is mandatory but often very difficult to maintain beyond one year. Organized coordination between hospital and private practitioners should improve this follow-up.

    Title Clinical Relevance of Echocardiography in Acute Severe Dyspnea.
    Date January 2010
    Journal Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography

    The aim of this study was to assess the most relevant echocardiographic parameter for the clinical diagnosis of acute dyspnea due to left-heart dysfunction.

    Title Endocrine Gland-derived Vascular Endothelial Growth Factor in Rat Pancreas: Genetic Expression and Testosterone Regulation.
    Date July 2009
    Journal The Journal of Endocrinology

    Endocrine gland-derived vascular endothelial growth factor (EG-VEGF) is an endothelial cell mitogen, expressed essentially in steroidogenic cells. Recently, the expression of EG-VEGF in normal human pancreas and pancreatic adenocarcinoma has been demonstrated. Epidemiologically, pancreatic carcinogenesis is more frequent in males than females, and given that androgen receptors and testosterone biotransformation have been described in pancreas, we hypothesized that testosterone could participate in the regulation of EG-VEGF expression. In this study, we investigated the regulation of EG-VEGF gene expression by testosterone in normal rat pancreatic tissue and rat insulinoma cells (RINm5F). Total RNA was extracted from rat pancreas and cultured cells. Gene expression was studied by real-time PCR and protein detection by immunohistochemistry. Serum testosterone was quantified by RIA. Results showed that EG-VEGF is expressed predominantly in pancreatic islets and vascular endothelium, as well as in RINm5F cells. EG-VEGF gene expression was lower in the pancreas of rats with higher testosterone serum levels. A similar effect that was reverted by flutamide was observed in testosterone-treated RINm5F cells. In summary, testosterone down-regulated EG-VEGF gene expression in rat pancreatic tissue and RINm5F cells. This effect could be mediated by the androgen receptor. To our knowledge, this is the first time that a direct effect of testosterone on EG-VEGF gene expression in rat pancreas and RINm5F cells is demonstrated.

    Title [renal Trauma Stage Iv in a Boy Treated in a Nonoperative Form. Report of a Clinical Case].
    Date June 2009
    Journal Investigación Clínica

    The clinical case of a 6 years old boy, who presented severe right renal trauma with rupture of the pyelocaliceal system and renal injury (IV grade), is reported. Upon admittance to emergency he presented paleness, tachycardia, rapid pulse, intense pain in the right lumbar region and macroscopic hematuria. Using abdominal ultrasound scan, an injury of the right renal parenchyma with perirenal collection was shown. Hematology studies showed a decrease in the hemoglobin count of 3,1 g% during the first posttraumatic 48 hours. A non-surgical conservative treatment was decided, since the patient's hemodynamic status held stable despite the hemoglobin alterations. To treat renal injury, a percutaneous catheter drainage was placed in the right perirenal space on day 16th from the accident. The patient was released after this treatment and was controlled as an outpatient, until the rupture of the excretory urinary system was sealed (3 weeks), when the patient returned to have the catheter removed. The patient's progress was excellent, the kidney was preserved and no complications have occurred in a 6 months follow up after the injury. The non-surgical treatment in renal trauma with injury to the excretory system is effective and advisable in children, provided the patients are hemodynamically stable.

    Title [correlation Between Serum Levels of Antistreptolysin O and C Reactive Protein]
    Date October 2008
    Journal Revista Alergia Mexico (tecamachalco, Puebla, Mexico : 1993)

    INTRODUCTION: Measurement of antibodies to extracellular products of group A streptococcus, specifically streptolysin O (ASO), is useful to detect previous streptococcal infection, besides its ability to identify those asymptomatic carriers or to support diagnosis of poststreptococcal disease. An inflammatory process has been considered as a one variable that could be modifying the interpretation of ASO test. OBJETIVE: identify in serum from clinically healthy subjects the covariability of antibodies to streptolysin O (ASO) serum concentration, high sensitivity C reactive protein (hsCRP). METHODS: 87 serum samples from 87 clinically healthy subjects were tested. ASO, hsCRP, and total IgG were measured by nephelometry. Statistical analysis was performed using mean, median, and standard deviation with descriptive purpose; in addition, normality of the distribution of variables was determined. Spearman correlation test was performed in all cases. Significance was considered for p < or = 0.05. RESULTS: A non-parametric distribution was exhibited by both ASO and hsCRP values. Gaussian distribution was finding only for IgG values. Spearman correlation values for ASO against both hsCRP and IgG were 0.19 (p = NS). CONCLUSIONS: ASO values distribution did not correlate with dispersion of levels of hsCRP, neither IgG. This suggests that values obtained from clinically healthy subjects in this study where not modified influenced by a potential subjacent inflammatory process, neither IgG serum levels.

    Title Inductively Coupled Probe for the Measurement of Partial Discharges.
    Date July 2008
    Journal The Review of Scientific Instruments

    Partial discharges are a transient phenomena whose measurement is remarkably important for electrical equipment diagnosis and maintenance. These discharges appear in the measurement circuit as very narrow current pulses of some nanoseconds. Therefore, discharge pulse detection is a particularly difficult problem, especially because they are superposed on the high voltage waveforms that cause them. In this paper, we present an inductively coupled probe able to measure this physical phenomenon by means of a very simple and inexpensive device that can be installed in the equipment under test. After modeling the probe, its response will be compared to that of commercial devices using both calibrated discharges and partial discharges occurring at real power.

    Title Pramlintide Acetate Injection for the Treatment of Type 1 and Type 2 Diabetes Mellitus.
    Date August 2007
    Journal Clinical Therapeutics

    Amylin is a hormone cosecreted with insulin by the beta cells of the pancreas. It suppresses postprandial glucagon secretion and slows gastric emptying. Pramlintide acetate is an amylin analogue that was approved by the US Food and Drug Administration in March 2005.

    Title [continuing Medical Education, Assessing Professional Practice, Accreditation. "what Kind of Validation Can We Claim?"].
    Date August 2007
    Journal Revue De Stomatologie Et De Chirurgie Maxillo-faciale
    Title [pancreatoduodenectomy: Results in a Large Volume Center]
    Date March 2007
    Journal Revista De Gastroenterología De México

    OBJECTIVE: Analyze the experience with pancreaticoduodenectomy (PD) at the INCMNSZ. BACKGROUND DATA: PD has become a popular procedure in hospitals throughout the USA and Europe in the last 25 years, where mortality is < 5% y morbidity remains around 40%. Nonetheless there are very few reports on PD in Latin America. METHODS: The data of all PD's performed at the INCMNSZ between 1999 and 2005 was gathered prospectively and analyzed retrospectively. RESULTS: 133 PDs where performed; 47.5% where men and 52.5% where women. Median of age was 57.7 years. 81.5% underwent classical resection and 18.5% a pylorus preserving procedure. Intraoperative variables include: blood loss: 940 mL. (1,000). transfusion requirements: 1.9 U, median operative time: 5:49 (+/- 1:02) and median hospital stay: 14 days. Most frequent diagnosis include ampulary adenocarcinoma and pancreatic cancer Mortality in the entire series was 9.2%, decreased to 2.7% in the 2002-2005 period and from April 2003 has remained in 0. A total of 14 portal-superior mesenteric vein resections where performed. CONCLUSIONS: To our knowledge this is the largest series of PD in Latin America. Popularity and indications for PD are expanding. Mortality is acceptable and morbidity remains high despite much effort. This procedure is performed with a satisfactory outcome in high volume centers. Involvement of the portal-superior mesenteric vein is not a contraindication of PD.

    Title Function and Well-being in Ambulatory Children with Cerebral Palsy.
    Date February 2006
    Journal Journal of Pediatric Orthopedics

    The purpose of this study was to determine whether there is a significant association between function and well-being in children with cerebral palsy. To determine this, the authors used validated measures of function (Gillette Functional Assessment Questionnaire, Gross Motor Function Classification System, Gross Motor Function Measure, and walking speed) and correlated them to health-related quality of life (HRQOL) measures (Pediatric Outcomes Data Collection Instrument, Pediatric Quality of Life instrument). In a cross-sectional study of ambulatory children with mild to moderate cerebral palsy aged 10.2 +/- 3.2 years, mild to moderate decreases in function were found when compared with normative data. As the assessment of HRQOL comprises both functional well-being and psychosocial well-being, the authors decided to specify the aspect of well-being to which they were referring. It was found that the child's function was not correlated to psychosocial well-being. The children with mild cerebral palsy had greater effects on their psychosocial well-being than would be predicted by their functional disability. Functional measures were good at predicting the functional well-being but were weak at predicting the psychosocial arm of well-being.

    Title Medical Ethnobotany of the Teribes of Bocas Del Toro, Panama.
    Date May 2005
    Journal Journal of Ethnopharmacology

    Ethnomedical uses of 108 medicinal plant species, belonging to 52 families, 89 genera, used by the Teribe Amerindians of Bocas del Toro Province in Panama, along with their socio-cultural practices are reported here. The methods of administration of the herbal remedies, the plant parts used, their families and local names are also documented. The recorded medicinal plants were used mainly for fever, various type of pain and inflammation. The potential value of 26 plants and their traditional uses was elucidated through literature search.

    Title Brain Amino Acids During Hyponatremia in Vivo: Clinical Observations and Experimental Studies.
    Date August 2004
    Journal Neurochemical Research

    Hyponatremia is a highly morbid condition, present in a wide range of human pathologies, that exposes patients to encephalopathic complication and the risk of permanent brain damage and death. Treating hyponatremia has proved to be difficult and still awaits safe management, avoiding the morbid sequelae of demyelinizing and necrotic lesions associated with the use of hypertonic solutions. During acute and chronic hyponatremia in vivo, the brain extrudes the excessive water by decreasing its content of electrolytes and organic osmolytes. At the cellular level, a similar response occurs upon cell swelling. Among the organic osmolytes involved in both responses, free amino acids play a prominent role because of the large intracellular pools often found in nerve cells. An overview of the changes in brain amino acid content during hyponatremia in vivo is presented and the contribution of these changes to the adaptive cell responses involved in volume regulation discussed. Additionally, new data are provided concerning changes in amino acid levels in different regions of the central nervous system after chronic hyponatremia. Results favor the role of taurine, glutamine, glutamate, and aspartate as the main amino acid osmolytes involved in the brain adaptive response to hyponatremia in vivo. Deeper knowledge of the adaptive overall and cellular brain mechanisms activated during hyponatremia would lead to the design of safer therapies for the hyponatremic patient.

    Title Microbicides: Prevention Tool of the Future.
    Date September 2002
    Journal Positively Aware : the Monthly Journal of the Test Positive Aware Network
    Title Intraoperative Use of Continuous Arteriovenous Hemodiafiltration in Orthotopic Liver Transplantation.
    Date December 1996
    Journal Transplantation Proceedings
    Title Human Immunodeficiency Virus Type 1 Integrase Mutants Retain in Vitro Integrase Activity Yet Fail to Integrate Viral Dna Efficiently During Infection.
    Date February 1996
    Journal Journal of Virology

    The viral integrase (IN) protein is the only viral protein known to be required for integration of the human immunodeficiency virus type 1 (HIV-1) genome into the host cell DNA, a step in the viral life cycle that is essential for viral replication. To better understand the relationship between in vitro IN activity and IN-mediated integration of viral DNA in an infected cell, we characterized the effects of 13 IN mutations on viral replication in cultured cells. Using HIV-1 genomes that express the hygromycin resistance gene and do not express the HIV-1 env gene, we generated stocks of pseudotype virus coated with the murine leukemia virus amphotropic envelope glycoprotein, containing either wild-type or mutant HIV-1 IN. All mutants produced normal amounts of physical particles, as measured by reverse transcriptase activity and capsid protein (p24) concentration, but they formed three groups based on infectious titer and synthesis of viral DNA. Changes at the three highly conserved acidic residues in the IN core domain (D-64, D-116, and E-152) impair provirus formation without affecting viral DNA synthesis or the accumulation of viral DNA in the nucleus of the infected cell, a phenotype predicted by each mutant's lack of in vitro integrase activity. Mutations at positions N-120, R-199, and W-235 minimally affect in vitro integrase activity, but infectious titers are severely reduced, despite normal synthesis of viral DNA, implying a defect during integration in vivo. Mutations in the zinc binding region (H12C, H16V, and H16C), S81R, and a deletion of residues 32 through 275 yield noninfectious particles that synthesize little or no viral DNA following infection, despite wild-type levels of reverse transcriptase activity and viral RNA in the particles. The two latter classes of mutants suggest that IN can affect DNA synthesis or integration during infection in ways that are not appreciated from currently used assays in vitro.

    Title [antibodies Against Extracellular Products of Group A Streptococcus. Diagnostic Importance in Acute Rheumatic Fever]
    Date September 1995
    Journal Archivos Del Instituto De Cardiología De México

    Streptococcal throat infection is a sine qua non for the development of rheumatic fever (RF) in genetically susceptible people. Demonstration of such infection is not easy. In overt RF less than 10% of patients still carry streptococci in their throat and immunologic methods are required to identify antibodies against streptococcal products (SP). Humoral response against SP was studied in children and adults with and without RF. Antistreptolysin O (ASO) showed a non-gaussian distribution, and reference value was established as percentile. Adults have a 97 percentile of 227, in children 90 percentile was 451. When RF was present all cases, except one, showed higher values. When antibodies against SP besides ASO were sought by an agglutination test (Streptozyme tm), people below 15 years of age showed low titers in 15 out of 28 cases. In contrast, high titers were the rule in children suffering RF. High ASO titer correlated with high Streptozyme value. These methods are capable to recognize an specific immune response against Group A Beta hemolytic streptococci, and are valuable tools in the diagnosis of RF.

    Title [primary Abscess of the Psoas. 2 New Cases].
    Date February 1991
    Journal Journal De Chirurgie

    Since the antibiotherapy for tuberculosis, psoas abscess is an infrequent disease. The psoas abscess can be divided in primary and secondary, being the primary the most infrequent. We present two other cases of primary psoas abscess treated in our hospital. We review also the symptoms, the diagnosis and the therapy of this disease.

    Title [evaluation Project for Hiring and Promoting Full-time Research Personnel in the Salvador Zubirán National Institute of Nutrition].
    Date June 1984
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [vitamin K, Maternal Milk, and Bleeding Risk].
    Date March 1983
    Journal Sangre
    Title Vitamin K-dependent Clotting Factors in Normal Breast-fed Infants.
    Date May 1982
    Journal The Journal of Pediatrics
    Title Response to Steroid and Immunosuppressor Therapy in Patients with Chronic Active Liver Disease (cald) Non-related to the Presence of Hepatitis Bs Antigen.
    Date February 1981
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [comparative Study of the Reliability and Validity of Two Methods to Evaluate the Medical Record (author's Transl)].
    Date November 1980
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [acute Alcoholic Hepatitis. Comparative Study of 50 Patients with Alcoholic Hepatitis and 50 with Viral Hepatitis].
    Date May 1978
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title Nomogram for Prednisone-prednisolone Adjustment Dose in Patients with Hypoalbuminemia.
    Date May 1978
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [metabolic Disorders of the Biliary Pigments in Various Hereditary Diseases].
    Date May 1978
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [intestinal Transport of Urea in Normal and Uremic Rats (author's Transl)].
    Date October 1977
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición
    Title [thrombosis of the Suprahepatic Veins (budd-chiari Syndrome) (author's Transl)].
    Date July 1976
    Journal La Prensa Médica Mexicana

    The suprahepatic veins occlusion or Budd-Chiari syndrome is an infrequent disease which etiology is very hard to obtain. In this paper the authors present the clinical case of a 26 years old female with epigastric pain, ascites, and vomite, iniciated just one month after her parturition and of six months evolution. 28 days after the admission the patient died and the post-mortem study showed complete obstruction of the suprahepatic veins by well organized thrombi. The authors point-out that the interrelation between this syndrome and the parturition is more frecquent than with the use of oral contraceptive drugs.

    Title Rotor Syndrome, a Family Study.
    Date June 1975
    Journal Revista De Investigación Clínica; Organo Del Hospital De Enfermedades De La Nutrición

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