Clayton Trimmer, D.O.

Associate Professor

Department: Radiology, Urology

Biography

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Dr. Clayton Trimmer received his Bachelor of Science degree from Stephen F. Austin State University and his Masters Degree in Healthcare Management from the University of Texas at Dallas. He attended medical school at the University of North Texas Health Science Center-Texas College of Osteopathic Medicine in Fort Worth. He then completed a traditional rotating internship at Pontiac Osteopathic Hospital in Michigan before going on to his residency in Diagnostic Radiology at Michigan State University. He subsequently completed an Interventional Radiology fellowship at The University of Texas Southwestern Medical School. Following a six year sojourn in private practice, Dr. Trimmer performed a second year Interventional Radiology Fellowship at the Johns Hopkins Hospital in Baltimore, MD. In September of 2002 he was recruited to join the Radiology faculty at the University of Texas Southwestern Medical School in the section of Interventional Radiology. He currently is an Associate Professor and sees patients at Parkland Memorial Hospital, Zale-Lipshy University Hospital and St. Paul University Hospital. His clinical and research interests include oncologic loco-regional therapy of various tumors to include chemoembolization and radioembolization, durable outcomes of Radiofrequency ablation, dialysis intervention with an emphasis in prolonging access circuit patency by using angioplasty, stents and stent-grafts, IVC filter placement and retrieval protocols, uterine fibroid embolization, varicocele embolization, pelvic congestion syndrome, venous interventions, and vertebral augmentation techniques. He participates in the Parkland Hepatocellular Carcinoma clinic and sees patients for consultation of all procedures in the Interventional Radiology Clinic at St. Paul University Hospital.

Education

Medical School UNT HSC College of Osteopathic Medicine (1989)
Internship Pontiac Osteopathic Hospital (1990), Rotating
Residency Michigan State University (1994), Diagnostic Radiology
Fellowship UT Southwestern Medical Center (1995), Vascular & Interventional Radiology
Fellowship Johns Hopkins Hospital (2002), Vascular & Interventional Radiology

Clinical Interests

Dialysis Access Management
  • Dialysis Catheter Access for Hemodialysis
  • Dialysis Fistual or Graft Declot
  • Dialysis Fistulogram/Graftogram
Disease Diagnosis
  • Adrenal Vein Sampling
  • Parathyroid Vein Sampling
  • Venous Sampling
Endovascular Therapy - Deep Vein Thrombosis (DVT)
  • Deep Vein Thrombosis (DVT)
  • May Turner Syndrome (Illiofemoral Deep Vein Thrombosis)
  • Paget Schrotter Syndrome (Upper Extermity Deep Vein Thrombosis)
  • Venous Thrombolysis
Endovascular Therapy - Embolization/Exclusions
  • Angiomyolipoma of Kidney
  • Hereditary Hemmorrhagic Telangiectasia (HHT)
  • Mesenteric Artery Aneurysm
  • Mesenteric Ischemia
  • Pelvic Congestion Syndrome
  • Pulmonary Arteriovenous Malformation
  • Pulmonary Embolism
  • Pulmonary Thrombolysis
  • Renal Artery Aneurysm
  • Splenic Artery Aneurysm
  • Superior Vena Cava Syndrome
  • Uterine Fibroids/Uterine Fibroid Embolization (UFE)
  • Varicocele
Endovascular Therapy - Peripheral Vascular Disease
  • Claudication
  • Inferior Vena Cava (IVC) Filter Placement or Removal/Retrieval
  • Nephroureteric Stent Placement
  • Peripheral Arterial Disease (PAD)
  • Peripheral Vascular Disease (PVD)
  • Peripheral Vascular Interventions
Interventional Therapy for Portal Hypertension
  • Portal Hypertension (Variceal Bleeding, Refractory Ascities)
  • Transjugular Intrahepatic Portosystemic Shunt (TIPS)
Tumor Ablation
  • Cryoablation
  • Microwave Ablation (MVA)
  • Radiofrequency Ablation (RFA)
  • Radiofrequency Ablation (RFA) Treatment Hepatocellular Carcinoma or Hepatoma
  • Radiofrequency Ablation (RFA)Treatment for Renal Cancer
  • Radiofrequency Ablation for Liver Metastases & Cholangiocarcinoma
  • Y90 Radioembolization
Tumor Embolization
  • Chemoembolization (TACE)
  • Cholangiocarcinoma

Research Interests

  • Predictors of response to renal artery stenting, Mortality decrease with Inferior Vena Cava Filters, Durable outcomes of Radiofrequency ablations,Prolonging the life of a dialysis access circuit,Resource sparing strategies and risk-stratification, Limiting patient and operator exposure to Ionizing Radiation,Developing and Optimizing Novel approaches to managing disease processes with Image Guidance, Refining CTA Protocols and developing robust non-contrast MRA sequences for imaging vascular dz.

Publications

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Honors/Awards

  • Radiology
    Manuscript reviewer for the Journal Radiology (2011)
  • Texas Radiiologic Society
    Vice Chief Councilor (2011)
  • Radiographics
    Journal Reviewer of Peer reviewed manuscripts (2009)
  • Journal of Vascular Interventional Radiology
    Journal Reviewer of Peer reviewed manuscripts (2007)
  • Academic Transition Award
    SIR Foundation award to young clinicians returning to academics from private practice (2003)

Professional Associations/Affiliations

  • Society of Interventional Radiology (1994-2011)
  • American College of Radiology
  • American Osteopathic Association
  • American Osteopathic College of Radiology
  • Radiological Society of North America