Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of o... more Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of obscure etiology and other small bowel abnormalities. Currently, there is no standard for capsule endoscopy image interpretation and classification. Methods: This report describes an abnormality, termed "regional transit abnormality," noted during a review of capsule endoscopic images. Capsule regional transit abnormality simply refers to delayed capsule transit within a segment of small bowel, with or without visualization of a mucosal abnormality. The slowed transit usually is accompanied by mucosal collapse, sometimes with the appearance of the capsule pressing or impacting upon the mucosa. Regional transit abnormality usually persists more than 15 minutes. Observations: Four patients (of 30) with regional transit abnormality on capsule endoscopy had underlying small bowel pathology. There were two tumors, unseen by capsule endoscopy, that accounted for the presence of capsule regional transit abnormality. Conclusions: Capsule regional transit abnormality is considered to be a "red flag" sign that indicates a likelihood of some underlying small bowel pathology.
BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazar... more BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazard, especially in the elderly. The large stone not removable with conventional endoscopic techniques, can be effectively and safely managed with electrohydraulic lithotripsy (EHL).
Current Treatment Options in Gastroenterology, 2004
Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower ga... more Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower gastrointestinal bleeding (LGIB). With the advent of newer endoscopy delivery therapeutic modalities, the treatment of LGIB has changed dramatically over the decades. The most dramatic change has been the role of surgery, which has been substantially reduced due to the therapeutic colonoscopy. This article reviews recent advances in the endoscopic treatment options in LGIB of the colon and rectum.
Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of o... more Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of obscure etiology and other small bowel abnormalities. Currently, there is no standard for capsule endoscopy image interpretation and classification. Methods: This report describes an abnormality, termed "regional transit abnormality," noted during a review of capsule endoscopic images. Capsule regional transit abnormality simply refers to delayed capsule transit within a segment of small bowel, with or without visualization of a mucosal abnormality. The slowed transit usually is accompanied by mucosal collapse, sometimes with the appearance of the capsule pressing or impacting upon the mucosa. Regional transit abnormality usually persists more than 15 minutes. Observations: Four patients (of 30) with regional transit abnormality on capsule endoscopy had underlying small bowel pathology. There were two tumors, unseen by capsule endoscopy, that accounted for the presence of capsule regional transit abnormality. Conclusions: Capsule regional transit abnormality is considered to be a "red flag" sign that indicates a likelihood of some underlying small bowel pathology.
BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazar... more BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazard, especially in the elderly. The large stone not removable with conventional endoscopic techniques, can be effectively and safely managed with electrohydraulic lithotripsy (EHL).
Current Treatment Options in Gastroenterology, 2004
Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower ga... more Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower gastrointestinal bleeding (LGIB). With the advent of newer endoscopy delivery therapeutic modalities, the treatment of LGIB has changed dramatically over the decades. The most dramatic change has been the role of surgery, which has been substantially reduced due to the therapeutic colonoscopy. This article reviews recent advances in the endoscopic treatment options in LGIB of the colon and rectum.
Storage of red blood cells in preservative medium is associated with metabolic, biochemical and m... more Storage of red blood cells in preservative medium is associated with metabolic, biochemical and molecular changes to erythrocytes collectively referred to as the "storage lesion." In addition to corpuscular injury, bioreactive substances including cytokines and lipids accumulate in the medium during storage. We review evidence for those storage related changes and potential clinical implications for red blood cell transfusion.
Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of o... more Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of obscure etiology and other small bowel abnormalities. Currently, there is no standard for capsule endoscopy image interpretation and classification. Methods: This report describes an abnormality, termed "regional transit abnormality," noted during a review of capsule endoscopic images. Capsule regional transit abnormality simply refers to delayed capsule transit within a segment of small bowel, with or without visualization of a mucosal abnormality. The slowed transit usually is accompanied by mucosal collapse, sometimes with the appearance of the capsule pressing or impacting upon the mucosa. Regional transit abnormality usually persists more than 15 minutes. Observations: Four patients (of 30) with regional transit abnormality on capsule endoscopy had underlying small bowel pathology. There were two tumors, unseen by capsule endoscopy, that accounted for the presence of capsule regional transit abnormality. Conclusions: Capsule regional transit abnormality is considered to be a "red flag" sign that indicates a likelihood of some underlying small bowel pathology.
BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazar... more BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazard, especially in the elderly. The large stone not removable with conventional endoscopic techniques, can be effectively and safely managed with electrohydraulic lithotripsy (EHL).
Current Treatment Options in Gastroenterology, 2004
Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower ga... more Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower gastrointestinal bleeding (LGIB). With the advent of newer endoscopy delivery therapeutic modalities, the treatment of LGIB has changed dramatically over the decades. The most dramatic change has been the role of surgery, which has been substantially reduced due to the therapeutic colonoscopy. This article reviews recent advances in the endoscopic treatment options in LGIB of the colon and rectum.
Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of o... more Background: Wireless capsule endoscopy is being used increasingly to investigate GI bleeding of obscure etiology and other small bowel abnormalities. Currently, there is no standard for capsule endoscopy image interpretation and classification. Methods: This report describes an abnormality, termed "regional transit abnormality," noted during a review of capsule endoscopic images. Capsule regional transit abnormality simply refers to delayed capsule transit within a segment of small bowel, with or without visualization of a mucosal abnormality. The slowed transit usually is accompanied by mucosal collapse, sometimes with the appearance of the capsule pressing or impacting upon the mucosa. Regional transit abnormality usually persists more than 15 minutes. Observations: Four patients (of 30) with regional transit abnormality on capsule endoscopy had underlying small bowel pathology. There were two tumors, unseen by capsule endoscopy, that accounted for the presence of capsule regional transit abnormality. Conclusions: Capsule regional transit abnormality is considered to be a "red flag" sign that indicates a likelihood of some underlying small bowel pathology.
BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazar... more BACKGROUND: Choledocholithiasis and intrahepatic bile duct stones pose a significant health hazard, especially in the elderly. The large stone not removable with conventional endoscopic techniques, can be effectively and safely managed with electrohydraulic lithotripsy (EHL).
Current Treatment Options in Gastroenterology, 2004
Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower ga... more Colonoscopy continues to be the primary tool for diagnostic evaluation and management of lower gastrointestinal bleeding (LGIB). With the advent of newer endoscopy delivery therapeutic modalities, the treatment of LGIB has changed dramatically over the decades. The most dramatic change has been the role of surgery, which has been substantially reduced due to the therapeutic colonoscopy. This article reviews recent advances in the endoscopic treatment options in LGIB of the colon and rectum.
Storage of red blood cells in preservative medium is associated with metabolic, biochemical and m... more Storage of red blood cells in preservative medium is associated with metabolic, biochemical and molecular changes to erythrocytes collectively referred to as the "storage lesion." In addition to corpuscular injury, bioreactive substances including cytokines and lipids accumulate in the medium during storage. We review evidence for those storage related changes and potential clinical implications for red blood cell transfusion.
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Papers by Naveen Arya