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Dive into the research topics where Tonga Nfor is active.

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Featured researches published by Tonga Nfor.


Journal of Patient-Centered Research and Reviews | 2014

Recurrent Acute Myocardial Infarction in Patients with Immune Thrombocytopenic Purpura

Fengyi Shen; Tonga Nfor; Tanvir Bajwa

Immune thrombocytopenic purpura (ITP), also known as idiopathic thrombocytopenic purpura, is an acquired immune-mediated disease of adults and children characterized by a transient or persistent decrease of platelets and, depending upon the degree of thrombocytopenia, an increased risk of bleeding. The use of standard treatments for acute myocardial infarction (AMI), such as antiplatelet agents and anticoagulants, pose serious problems in patients with ITP due to the potential higher risk of bleeding complications. There are no current guidelines available for management of ITP patients with AMI. In this brief review of the limited available literature, we discuss the proposed pathophysiological link between ITP and arterial thrombosis and the challenging medical and interventional treatment of these patients. (J Patient-Centered Res Rev.


Journal of the American College of Cardiology | 2018

More than just a hole in the heart: a case of Holt-Oram syndrome with severe left ventricular dysfunction

Robert Richmond; Tonga Nfor; A. Jamil Tajik

Atrial septal defects (ASDs) are commonly encountered and can be associated with extra-cardiac conditions. Holt-Oram, although rare, is such an example. A 35-year-old healthy man was admitted with 1 month of progressive dyspnea, chest tightness and palpitations. He was tachycardic (128bpm), blood


Journal of the American College of Cardiology | 2017

TCT-224 Gastrointestinal Bleed Pre-Transcatheter Aortic Valve Replacement: An Independent Predictor of Mortality

Rafath Ullah; Mubeen Khan Mohammed Abdul; Maharaj Singh; Puneet Menaria; Amanda Kirby; Suhail Allaqaband; Daniel O'Hair; Tanvir Bajwa; Tonga Nfor

Severe aortic stenosis causes recurrent mucosal bleeds, mainly from angiodysplasias and acquired von Willebrand deficiency (vWD) which is corrected after aortic valve replacement, either transcatheter (TAVR) or surgical (SAVR). Studies have shown major GI bleeding post-TAVR as an independent


Journal of the American College of Cardiology | 2017

OUTCOMES IN PATIENTS UNDERGOING CARDIAC CATHETERIZATION AND THERAPEUTIC HYPOTHERMIA AFTER CARDIAC ARREST

Dhaval Desai; Daniel Ortiz; Thomas Wilson; Tonga Nfor; M. Fuad Jan; Jayant Khitha; Tanvir Bajwa; Suhail Allaqaband

Background: We aimed to elucidate the post-hospitalization outcomes in patients undergoing therapeutic hypothermia and cardiac catheterization after sudden cardiac arrest (SCA). Methods: A retrospective, tertiary-center study consisted of 173 consecutive patients who met inclusion criteria between


Journal of the American College of Cardiology | 2017

PERCUTANEOUS FEMORAL ARTERY ACCESS STRATEGIES IN PATIENTS UNDERGOING PERIPHERAL VASCULAR INTERVENTION: TRENDS OF USE AND IN-HOSPITAL OUTCOMES

Daniel Ortiz; Tonga Nfor; Suhail Allaqaband; Tanvir Bajwa; Mark W. Mewissen

Background: The efficacy of common femoral artery (CFA) access in preventing access site complications (ASC) in patients undergoing peripheral vascular intervention (PVI) by palpation alone, with fluoroscopy guidance (FG) or with ultrasound guidance (UG) remains unclear. We aimed to elucidate trends


Journal of the American College of Cardiology | 2017

USE OF VIABAHN ENDOGRAFT FOR REPAIR OF POPLITEAL ARTERY ANEURYSM: LARGEST SINGLE CENTER EXPERIENCE

Shankho Ganguli; Tracy Hammonds; Tonga Nfor; M. Fuad Jan

Background: Popliteal artery aneurysm (PAA) is the most common peripheral aneurysm. When left untreated, it is associated with significant morbidity and limb loss. Here, we present our experience and outcome of endovascular repair of popliteal artery aneurysm with Gore Viabhan stent. Methods: This


Journal of the American College of Cardiology | 2016

TCT-20: Drug-eluting devices in femoropopliteal disease: trends of use and patient outcomes

Daniel Ortiz; Louie Kostopoulos; Tonga Nfor; Suhail Allaqaband; Tanvir Bajwa

The trends of use and efficacy of drug-coated balloons (DCB) and drug-eluting stents (DES) for femoropopliteal lesions in real-world population remain unclear. A retrospective single center study included 301 consecutive lesions successful treated with either DES (51.1%) or DCB (48.9%) between 10/


Journal of the American College of Cardiology | 2016

TCT- 717 Transcatheter aortic valve replacement reduces major recurrent gastrointestinal bleed in severe aortic stenosis

Rafath Ullah; Mubeen Khan Mohammed Abdul; Khalil Odeh; Tanvir Bajwa; Suhail Allaqaband; Amanda Kirby; Daniel O'Hair; Tonga Nfor

Severe aortic stenosis is associated with acquired Von Willebrand deficiency (vWD) manifesting with recurrent gastrointestinal bleed (GIB) if left untreated. Few small studies have shown decreased incidence of GIB after surgical aortic valve replacement (SAVR) but limited data are available with


Interventional Cardiology Review | 2016

Non-coronary Interventions: An Introduction to Peripheral Arterial Interventions

Brock Cookman; Suhail Allaqaband; Tonga Nfor

With an ageing population, the burden of peripheral artery diseases (PADs) is increasing. The treatment of these diseases has largely been performed by interventional radiologists, vascular surgeons and interventional cardiologists. Due to the strong relationship between PAD and overall cardiovascular morbidity and mortality, cardiologists need to play a greater role in the management of PAD. The physician who cares for the patient with peripheral vascular disease should have a broad understanding of atherosclerotic disease involving all vascular beds. Endovascular interventions play a major role in relieving symptoms and reducing morbidity related to PAD, but long-term optimal medical treatment is an essential determinant of prognosis. This paper reviews current endovascular/percutaneous interventions for PAD.


Current Problems in Cardiology | 2014

Increasing role of interventional cardiologists for peripheral vascular disease

Tonga Nfor; Suhail Allaqaband; Tanvir Bajwa

Improvements in the design of endovascular devices and technical skills of interventionalists have opened new possibilities for patients with a wide range of peripheral vascular diseases. In lower extremity peripheral artery disease, percutaneous treatments have become the predominant revascularization strategy for simple and complex lesions. Newer generations of stents and drug-coated balloons have demonstrated strong potential in the treatment of femoropopliteal and infrainguinal diseases. One of the most dramatic advances in the recent past has been endovascular repair of thoracic and abdominal aortic aneurysms, which has become the preferred approach in lieu of open surgical repair. Contemporary trials have established the safety and effectiveness of carotid stenting in selected patients with severe stenosis. Endovascular treatments for venous occlusive disease have long been underutilized, but their effectiveness is being increasingly recognized. This review covers new endovascular procedures performed by interventional cardiologists for peripheral vascular diseases.

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Suhail Allaqaband

University of Wisconsin-Madison

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Tanvir Bajwa

Medical College of Wisconsin

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Jayant Khitha

University of Wisconsin System

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Daniel Ortiz

University of Wisconsin System

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Kambiz Shetabi

University of Wisconsin System

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Louie Kostopoulos

University of Wisconsin System

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M. Fuad Jan

University of Wisconsin-Madison

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Amanda Kirby

University of Wisconsin-Madison

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