scholarly journals Measurements Obtained From Esophageal Balloon Catheters Are Affected by the Esophageal Balloon Filling Volume in Children With ARDS

2017 ◽  
Vol 63 (2) ◽  
pp. 177-186 ◽  
Author(s):  
Justin C Hotz ◽  
Cary T Sodetani ◽  
Jeffrey Van Steenbergen ◽  
Robinder G Khemani ◽  
Timothy W Deakers ◽  
...  
Keyword(s):  
Filling Volume ◽  
Balloon Catheters ◽  
Esophageal Balloon

scholarly journals Response characteristics of esophageal balloon catheters handmade using latex and nonlatex materials

2015 ◽  
Vol 3 (6) ◽  
pp. e12426 ◽  
Author(s):  
Troy J. Cross ◽  
Sophie Lalande ◽  
Robert E. Hyatt ◽  
Bruce D. Johnson
Keyword(s):  
Response Characteristics ◽  
Balloon Catheters ◽  
Esophageal Balloon

A comparison of changes in esophageal pressure and regional juxtacardiac pressures

1990 ◽  
Vol 69 (3) ◽  
pp. 1053-1057 ◽  
Author(s):  
O. A. Smiseth ◽  
O. Veddeng
Keyword(s):  
Pleural Cavity ◽  
Esophageal Pressure ◽  
Transmural Pressure ◽  
Balloon Catheters ◽  
Esophageal Balloon ◽  
Anesthetized Dogs ◽  
Left And Right ◽  
Peep Ventilation ◽  
The Relationship ◽  
Selective Peep

The relationship between esophageal pressure and juxtacardiac pressures was studied during positive end-expiratory pressure (PEEP) ventilation applied to both lungs or selectively to one lung. The experiments were performed in eight anesthetized dogs with balloon catheters in the esophagus and in the left and right pericardial and overlying pleural cavities and with an open-ended liquid-filled catheter in the pleural cavity. Bilateral PEEP (10, 20, and 30 cmH2O) caused progressive and similar increments in left and right pleural pressure. Selective PEEP, however, increased ipsilateral pleural balloon pressure more than contralateral pressure. The increase in ipsilateral pleural balloon pressure markedly exceeded the increase in esophageal pressure. There was a small increase in pleural open-ended catheter pressure that approximated the increase in esophageal pressure. During selective PEEP, pericardial balloon pressure remained uniform because of a decrease in ipsilateral pericardial transmural pressure. In conclusion, selective PEEP caused nonuniform increments in regional pleural balloon pressure. Left and right pericardial balloon pressure, however, increased uniformly with selective PEEP because of reduced ipsilateral pericardial transmural pressure. The esophageal balloon did not reflect the marked regional increments in pleural balloon pressure with selective PEEP and consistently underestimated the changes in pleural balloon pressure with general PEEP.

First clinical experience with the Multi-LOC multiple stent delivery system for focal stenting in long femoro-popliteal lesions

VASA ◽  
2017 ◽  
Vol 46 (6) ◽  
pp. 452-461 ◽  
Author(s):  
Klaus Amendt ◽  
Ulrich Beschorner ◽  
Matthias Waliszewski ◽  
Martin Sigl ◽  
Ralf Langhoff ◽  
...  
Keyword(s):  
Observational Study ◽  
Clinical Experience ◽  
Delivery System ◽  
Target Lesion ◽  
Lesion Length ◽  
Elastic Recoil ◽  
Delivery Device ◽  
Clinical Assessments ◽  
Balloon Catheters ◽  
Considerable Length

Abstract. Background: The purpose of this observational study is to report the six-month clinical outcomes with a new multiple stent delivery system in patients with femoro-popliteal lesions. Patients and methods: The LOCOMOTIVE study is an observational multicentre study with a primary endpoint target lesion revascularization (TLR) rate at six months. Femoro-popliteal lesions were prepared with uncoated and/or paclitaxel-coated peripheral balloon catheters. When flow limiting dissections, elastic recoil or recoil due to calcification required stenting, up to six short stents per delivery device, each 13 mm in length, were implanted. Sonographic follow-ups and clinical assessments were scheduled at six months. Results: For this first analysis, a total of 75 patients 72.9 ± 9.2 years of age were enrolled. The majority of the 176 individually treated lesions were in the superficial femoral artery (76.2 %, 134/176) whereas the rate of TASC C/D amounted to 51.1 % (90/176). The total lesion length was 14.5 ± 9.0 cm with reference vessel diameters of 5.6 ± 0.7 mm. Overall 47 ± 18 % of lesion lengths could be saved from stenting. At six months, the patency was 90.7 % (68/75) and all-cause TLR rates were 5.3 % (4/75) in the overall cohort. Conclusions: The first clinical experience at six months suggests that the MSDS strategy was safe and effective to treat femoro-popliteal lesions of considerable length (14.5 ± 9.0 cm). Almost half of the lesion length could be saved from stenting while patency was high and TLR rates were acceptably low.

Esophageal balloon dilatation: experiences in 100 patients

1991 ◽  
Vol 27 (6) ◽  
pp. 751
Author(s):  
Dong Kwon Chon ◽  
Ho Young Song ◽  
Young Min Han ◽  
Hak Nam Kim ◽  
Chong Soo Kim ◽  
...  
Keyword(s):  
Balloon Dilatation ◽  
Esophageal Balloon

scholarly journals Internal Coating of Ureteral Stents with Chemical Vapor Deposition of Parylene

Coatings ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 739
Author(s):  
Sara Felicitas Bröskamp ◽  
Gerhard Franz ◽  
Dieter Jocham
Keyword(s):  
Chemical Vapor Deposition ◽  
Vapor Deposition ◽  
Chemical Vapor ◽  
Silver Ions ◽  
Daily Basis ◽  
Second Step ◽  
Silver Layer ◽  
Main Concern ◽  
Ureteral Stents ◽  
Balloon Catheters

Ureteral balloon catheters and ureteral stents are implanted in large quantities on a daily basis. They are the suspected cause for about a quarter of all the nosocomial infections, which lead to approx. 20,000 deaths in Germany alone. To fight these infections, catheters should be made antibacterial. A technique for an antibacterial coating of catheters exhibiting an aspect ratio of up to 200 consists of a thin silver layer, which is deposited out of an aqueous solution, which is followed by a second step: chemical vapor deposition (CVD) of an organic polymeric film, which moderates the release rate of silver ions. The main concern of the second step is the longitudinal evenness of the film. For tubes with one opening as balloon catheters, this issue can be solved by applying a descendent temperature gradient from the opening to the end of the catheter. An alternative procedure can be applied to commercially available ureteral stents, which exhibit small drainage openings in their middle. The same CVD as before leads to a longitudinal homogeneity of about ±10%—at very low costs. This deposition can be modeled using viscous flow.

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