Emerging technologies in gastrointestinal endoscopy:
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
Philadelphia [u.a.]
Saunders
1997
|
| Schriftenreihe: | Gastrointestinal endoscopy clinics of North America
7,2 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VII S., S. 191 - 344 Ill., graph. Darst. |
Internformat
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Datensatz im Suchindex
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| adam_text | EMERGING TECHNOLOGIES IN GASTROINTESTINAL ENDOSCOPY
CONTENTS
Preface ix
Maurits J. Wiersema
Recent Advances in the Treatment of Achalasia 191
Pankaj Jay Pasricha and Anthony N. Kalloo
Achalasia is a disorder of the esophagus characterized by aperistal
sis and failure of the lower esophageal sphincter to relax. This
article discusses traditional and new therapies directed against the
sphincter muscle. Because limitations of these treatments do exist,
alternatives to sphincter destruction are presented.
Photodynamic Therapy for Barrett s Esophagus 207
Bergein F. Overholt and Masoud Panjehpour
Photodynamic therapy (PDT) uses both a photosensitizing drug
delivered to tissue after intravenous injection and the exposure of
targeted tissue to light of a designated wavelength to produce a
photochemical reaction that results in tissue death. The use of
PDT in the treatment of 55 patients with Barrett s esophagus and
dysplasia or early cancer has resulted in the elimination or down¬
grading of dyspiasia in most patients, the ablation of superficial
cancers, and the elimination of Barrett s mucosa in 30 ., of the
patients. When patients are maintained on omepra/ole, destroyed
mucosa is typically replaced by normal squamous epithelium.
Follow up and elimination of residual Barrett s mucosa with re¬
peated PDT or thermal destruction is necessary to prevent develop¬
ment of dysplasia in untreated areas.
GASTROINTESTINAL ENDOSCOPY
CLINICS OF NORTH AMERICA
VOLUME 7 • NUMBER 2 • APRIL 1997 V
Endoscopic Ultrasound Guided Fine Needle Aspiration
Biopsy and Interventional Endoscopic Ultrasonography:
Emerging Technologies 221
Kenneth J. Chang and Maurits J. Wiersema
Endoscopic ultrasonography (EUS) has been shown to be useful
in the detection and staging of gastrointestinal and pancreatic ma¬
lignancies. However, EUS has some limitations including subop
timal specificity in lymph node staging. This is one factor that has
curtailed its widespread use. The emergence of EUS guided fine
needle aspiration (FNA) and other interventional applications
of EUS appear likely to increase the clinical utility and cost
effectiveness of this modality. This article reviews recent litera¬
ture describing the role of EUS in guiding FNA, detecting choledo
cholithiasis and assisting in interventions such as pseudocyst
drainage.
Endosonography Guided Celiac Plexus Neurolysis 237
Noboru Harada, Maurits J. Wiersema, and Lisa M. Wiersema
Endosonography guided celiac plexus neurolysis is a new tech¬
nique that permits chemical splanchnicectomy in patients with
abdominal pain due to malignancy. The procedure can be per¬
formed on an outpatient basis in individuals undergoing endosono
graphic examinations for staging and biopsy purposes.
Magnetic Resonance Cholangiopancreatography 247
Shailesh N. Mehta, Caroline Reinhold, and Alan N. Barkun
Magnetic resonance cholangiopancreatography (MRCP) represents
an important addition to conventional imaging of the pancreatico
biliary system. The main advantages of MR imaging of the biliary
tract are that it combines the benefits of a cross sectional imaging
technique, providing the same type of information as ultrasonogra¬
phy and computed tomography, and the benefits of a projectional
modality similar to endoscopic retrograde cholangiopancreatogra¬
phy. This article critically reviews the recent developments of this
exciting technology and discusses the potential clinical role of
MRCP in the evaluation of hepatobiliary and pancreatic dis¬
eases.
Endoscopic Treatment of Pancreatic Pseudocysts 271
Richard A. Kozarek
Drained surgically or percutaneously, a subset of pancreatic pseu¬
docysts are amenable to transmural or transpapillary endoscopic
drainage. Although most series are encouraging, there does appear
to be an increased complication rate with the transgastric approach
as compared to the transduodenal approach. Moreover, enlarging
or symptomatic pseudocysts with considerable necrotic debris are
better treated radiographically or with surgical debridement and
drainage.
vi CONTENTS
Virtual Colonoscopy 285
David J. Vining
A new method for colon examination, virtual colonoscopy, has been
created by combining spiral computed tomography and virtual real¬
ity computer technology. If virtual colonoscopy proves equal to or
superior to traditional colonoscopy in sensitivity and specificity for
cancer screening, it would yield significant clinical and public health
benefits because of its potential for increased acceptance among pa¬
tients as well as its considerably lower cost and risks.
Genes Driving the Colonoscope 293
Steven M. Powell
Recent molecular genetic studies have significantly advanced our
understanding of colorectal tumorigenesis. Important genetic alter¬
ations have been characterized with practical as well as biologic
implications. Presymptomatic genetic testing is now available for
two major inherited colorectal cancer predisposition syndromes.
Genetic markers are also emerging with potentials to provide addi¬
tional diagnostic or prognostic information. New avenues to design
improved therapeutic agents and preventive strategies are now
available.
What Endoscopic Accessories Do We Really Need? 313
C. Paul Swain
This article is a speculative essay that reviews the current limita¬
tions of existing flexible endoscopic accessories. Suggestions are
offered on future developments that may change endoscopic prac¬
tice as it adopts an increasingly therapeutic role. There may be a
potential for development in flexible endoscopic surgical tech¬
niques that will be comparable to those seen in rigid laparoscopic
surgery. Low and high technology solutions are considered. Inven¬
tion, common sense, and engineering efforts are needed to take
flexible endoscopic surgery to a higher level of functional efficacy.
Role of Emerging Technology in the Era of Cost Containment 331
Roy Soetikno, Harvey S. Young, and Emmet B. Keeffe
In this era of cost containment, new technologies will play the
same role that they did before, improvement in the quality of
care. Application of these new technologies in medical practice,
however, will be scrutinized much more closely. The previous
requirement of proving that a new technology is efficacious and
safe will no longer be adequate. Physicians will be required to
provide data that reflect the costs and overall effectiveness of the
new technology. This article briefly discusses some key concepts
of cost effectiveness analysis.
Index 341
Subscription Information Inside back cover
CONTENTS vii
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| physical | VII S., S. 191 - 344 Ill., graph. Darst. |
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| series | Gastrointestinal endoscopy clinics of North America |
| series2 | Gastrointestinal endoscopy clinics of North America |
| spelling | Emerging technologies in gastrointestinal endoscopy Maurits J. Wiersema Philadelphia [u.a.] Saunders 1997 VII S., S. 191 - 344 Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Gastrointestinal endoscopy clinics of North America 7,2 Endoscopie gastrointestinale Gastroenterologische Endoskopie (DE-588)4019404-8 gnd rswk-swf (DE-588)4143413-4 Aufsatzsammlung gnd-content Gastroenterologische Endoskopie (DE-588)4019404-8 s DE-604 Wiersema, Maurits J. Sonstige oth Gastrointestinal endoscopy clinics of North America 7,2 (DE-604)BV005455484 7,2 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007610714&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Emerging technologies in gastrointestinal endoscopy Gastrointestinal endoscopy clinics of North America Endoscopie gastrointestinale Gastroenterologische Endoskopie (DE-588)4019404-8 gnd |
| subject_GND | (DE-588)4019404-8 (DE-588)4143413-4 |
| title | Emerging technologies in gastrointestinal endoscopy |
| title_auth | Emerging technologies in gastrointestinal endoscopy |
| title_exact_search | Emerging technologies in gastrointestinal endoscopy |
| title_full | Emerging technologies in gastrointestinal endoscopy Maurits J. Wiersema |
| title_fullStr | Emerging technologies in gastrointestinal endoscopy Maurits J. Wiersema |
| title_full_unstemmed | Emerging technologies in gastrointestinal endoscopy Maurits J. Wiersema |
| title_short | Emerging technologies in gastrointestinal endoscopy |
| title_sort | emerging technologies in gastrointestinal endoscopy |
| topic | Endoscopie gastrointestinale Gastroenterologische Endoskopie (DE-588)4019404-8 gnd |
| topic_facet | Endoscopie gastrointestinale Gastroenterologische Endoskopie Aufsatzsammlung |
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