Catheterization of Ventral Caudal Artery in Rats: A Modified Technique for Repeatable Angiography and Intervention

Periplasm of bacteria is the space outside the permeability barrier of plasma membrane but enclosed by the cell wall. The contents of this special milieu exterior could be regulated by the plasma membrane from the internal, and by the cell wall from the external environment of the cell. Unlike the gram-negative organism, the presence of this space in gram-positive bacteria is still controversial because it cannot be clearly demonstrated. We have shown the importance of some periplasmic bodies in the secretion of penicillinase from Bacillus licheniformis.In negatively stained specimens prepared by a modified technique (Figs. 1 and 2), periplasmic space (PS) contained two kinds of structures: (i) fibrils (F, 100 Å) running perpendicular to the cell wall from the protoplast and (ii) an array of vesicles of various sizes (V), which seem to have evaginated from the protoplast.

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Effect of Ridogrel on Vascular Contractions Gaused by Vasoactive Substances Released during Platelet Activation

Thrombosis and Haemostasis ◽

10.1055/s-0038-1647259 ◽

1990 ◽

Vol 64 (01) ◽

pp. 091-096 ◽

Cited By ~ 6

Author(s):

W J Janssens ◽

F J S Cools ◽

L A M Hoskens ◽

J M Van Nueten

Keyword(s):

Smooth Muscle ◽

Blood Vessel ◽

Platelet Activation ◽

Prostaglandin F2α ◽

Thromboxane A2 ◽

Femoral Arteries ◽

Vasoactive Substances ◽

Caudal Artery ◽

Isolated Rat ◽

Rat Platelets

SummaryRidogrel (6.3 × 10−6 to 10−4 M) inhibited contractions of isolated rat caudal arteries and rabbit femoral arteries caused by U-46619. The slope of an Arunlakshana-Schild plot (pA2-value: 3.4 × 10−6 M) on the caudal artery was slightly higher than one (1.14). This effect was maximal within}D min of incubation of the blood vessel with the compound and easily reversible. Ridogrel antagonised contractions of isolated rabbit femoral arteries caused by prostaglandin Fzo2α in the same concentration range. Ridogrel also inhibited contractions induced by aggregating rat platelets on isolated rat caudal arteries (itt the presence of ketanserin 4 × 10−7 M) and on isolated rabbit pulmonary and femoral arteries (in the absence of ketanserin). Ridogrel had no effect on Ca2+-induced contractions in depolarised isolated rabbit femoral arteries, and at 10−4 M antagonised serotonin-induced contractions in this blood vessel. Its effect on serotonin-induced contractions was statistically significant but very small on isolated rat caudal arteries. These observations indicate that ridogrel is an antagonist of prostaglandin endoperoxide/thromboxane A2 and prostaglandin F2α raCeptors on vascular smooth muscle.

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Learning curve of a modified technique of peroral endoscopic myotomy (POEM) – analysis of safety and efficacy in 9 consecutive patients with follow-up

10.1055/s-0039-1691879 ◽

2019 ◽

Author(s):

W Dolak ◽

Y Kamogawa-Schifter ◽

W Sieghart ◽

M Schoeniger-Hekele ◽

B Tribl ◽

...

Keyword(s):

Learning Curve ◽

Peroral Endoscopic Myotomy ◽

Modified Technique ◽

Safety And Efficacy ◽

Endoscopic Myotomy

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How I Do It: Modified Technique for Vein Preparation Using the SaphLITE Retractor and PAS-Port System

The Heart Surgery Forum ◽

10.1532/hsf98.20061198 ◽

2007 ◽

Vol 10 (2) ◽

pp. E141-E142

Author(s):

Tamotsu Yasuda ◽

Go Watanabe ◽

Kenji Kawachi

Keyword(s):

Modified Technique ◽

Port System

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MODIFIED LAMINOPLASTY AFTER EXCISION OF CERVICAL SCHWANNOMA WITH LARGE EXTRAVERTEBRAL EXTENSION

Neurologico Spinale Medico Chirurgico ◽

10.15562/nsmc.v1i1.3 ◽

2018 ◽

Vol 1 (1) ◽

pp. 9

Author(s):

Muhammad Faris ◽

Abdul Hafid Bajamal ◽

Zaky Bajamal ◽

Krisna Tsaniadi Prihastomo

Keyword(s):

Surgical Treatment ◽

Spinal Canal ◽

Conventional Technique ◽

Modified Technique ◽

Younger Patients ◽

Knowing That ◽

Anteroposterior Diameter ◽

Intradural Extramedullary ◽

Intradural Extramedullary Tumour

Tumour excision and laminoplasty are commonly performed as surgical treatment of extra vertebral extension of cervical schwannoma. It is worth knowing that the conventional technique of multilevel laminectomy may hinder younger patients in the long-term. This article reports a 30-year old man with an intradural-extramedullary tumour which extended from C4 to T1 that underwent modified laminoplasty. This modified technique is preferable in maintaining the anteroposterior diameter of spinal canal as well as reducing the displacement of guttered laminae

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Specification for the modified technique of the Chick-Martin test for disinfectants

10.3403/00058587 ◽

1938 ◽

Keyword(s):

Modified Technique

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Refractory Myopic Retinal Detachment and Macular Hole Closure with Autologous Neurosensory Retinal Free Flap

Case Reports in Ophthalmology ◽

10.1159/000500275 ◽

2019 ◽

Vol 10 (2) ◽

pp. 160-164 ◽

Cited By ~ 1

Author(s):

Filipe Sousa Neves ◽

Joana Braga ◽

Paula Sepúlveda ◽

Miguel Bilhoto

Keyword(s):

Retinal Detachment ◽

Macular Hole ◽

Free Flap ◽

Vision Loss ◽

Silicone Oil ◽

Modified Technique ◽

Alternative Approach ◽

Retinal Atrophy ◽

One Year ◽

Hole Closure

The purpose of this case report is to describe a modified technique involving the use of an autologous neurosensory retinal free flap for closure of a macular hole (MH) during retinal detachment (RD) surgery. A 50-year-old female presented with sudden vision loss (light perception only) and a recurrent myopic RD associated with an MH. An autologous neurosensory retinal free flap was obtained and moved toward the MH. Silicone oil was used as an endotamponade and removed after 6 months. Two months after oil removal visual acuity improved to 20/400 and remained stable thereafter; however, the patient developed central retinal atrophy. One year after surgery the MH was closed and the retina attached. This modified technique with the use of an autologous neurosensory retinal flap provides an alternative approach for recurrent MH in RD procedures.

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