A simple and non‐invasive method to re‐identify the left ureter during laparoscopic colorectal surgery

2021 ◽  
Author(s):  
E Melkonian ◽  
E Mordojovich ◽  
L Espíndola ◽  
C Jensen ◽  
A Cuneo ◽  
...  
Keyword(s):  
Colorectal Surgery ◽  
Laparoscopic Colorectal Surgery ◽  
Left Ureter ◽  
Non Invasive ◽  
Invasive Method

Malfunctional Reorganization in the Developing Limbo-Prefrontal System in Animals: Implications for Human Psychoses?

2001 ◽  
Vol 12 (1) ◽  
pp. 8-14
Author(s):  
Gertraud Teuchert-Noodt ◽  
Ralf R. Dawirs
Keyword(s):  
Prefrontal Cortex ◽  
Mental Disorders ◽  
Dentate Gyrus ◽  
Cognitive Functions ◽  
Experimental Approach ◽  
Regulatory Mechanisms ◽  
Hippocampal Dentate Gyrus ◽  
Non Invasive ◽  
Invasive Method ◽  
Activity Dependent

Abstract: Neuroplasticity research in connection with mental disorders has recently bridged the gap between basic neurobiology and applied neuropsychology. A non-invasive method in the gerbil (Meriones unguiculus) - the restricted versus enriched breading and the systemically applied single methamphetamine dose - offers an experimental approach to investigate psychoses. Acts of intervening affirm an activity dependent malfunctional reorganization in the prefrontal cortex and in the hippocampal dentate gyrus and reveal the dopamine position as being critical for the disruption of interactions between the areas concerned. From the extent of plasticity effects the probability and risk of psycho-cognitive development may be derived. Advance may be expected from insights into regulatory mechanisms of neurogenesis in the hippocampal dentate gyrus which is obviously to meet the necessary requirements to promote psycho-cognitive functions/malfunctions via the limbo-prefrontal circuit.

scholarly journals CT perfusion in peripheral arterial disease—hemodynamic differences before and after revascularisation

2021 ◽  
Author(s):  
Patrick Veit-Haibach ◽  
Martin W. Huellner ◽  
Martin Banyai ◽  
Sebastian Mafeld ◽  
Johannes Heverhagen ◽  
...  
Keyword(s):  
Peripheral Arterial Disease ◽  
Ct Perfusion ◽  
Arterial Disease ◽  
Lower Leg ◽  
Therapy Control ◽  
Non Invasive ◽  
Before And After ◽  
Invasive Method ◽  
The Mean ◽  
Peripheral Arterial

Abstract Objectives The purpose of this study was the assessment of volumetric CT perfusion (CTP) of the lower leg musculature in patients with symptomatic peripheral arterial disease (PAD) before and after interventional revascularisation. Methods Twenty-nine consecutive patients with symptomatic PAD of the lower extremities requiring interventional revascularisation were assessed prospectively. All patients underwent a CTP scan of the lower leg, and hemodynamic and angiographic assessment, before and after intervention. Ankle-brachial pressure index (ABI) was determined. CTP parameters were calculated with a perfusion software, acting on a no outflow assumption. A sequential two-compartment model was used. Differences in CTP parameters were assessed with non-parametric tests. Results The cohort consisted of 24 subjects with an occlusion, and five with a high-grade stenosis. The mean blood flow before/after (BFpre and BFpost, respectively) was 7.42 ± 2.66 and 10.95 ± 6.64 ml/100 ml*min−1. The mean blood volume before/after (BVpre and BVpost, respectively) was 0.71 ± 0.35 and 1.25 ± 1.07 ml/100 ml. BFpost and BVpost were significantly higher than BFpre and BVpre in the treated limb (p = 0.003 and 0.02, respectively), but not in the untreated limb (p = 0.641 and 0.719, respectively). Conclusions CTP seems feasible for assessing hemodynamic differences in calf muscles before and after revascularisation in patients with symptomatic PAD. We could show that CTP parameters BF and BV are significantly increased after revascularisation of the symptomatic limb. In the future, this quantitative method might serve as a non-invasive method for surveillance and therapy control of patients with peripheral arterial disease. Key Points • CTP imaging of the lower limb in patients with symptomatic PAD seems feasible for assessing hemodynamic differences before and after revascularisation in PAD patients. • This quantitative method might serve as a non-invasive method, for surveillance and therapy control of patients with PAD.

scholarly journals IMPACT OF LAPAROSCOPIC COLORECTAL SURGERY ON BODY IMAGE

2021 ◽  
Vol 108 (Supplement_3) ◽  
Author(s):  
A Fernández Candela ◽  
L Sánchez-Guillén ◽  
L García Catalá ◽  
C Curtis Martínez ◽  
M Bosch Ramírez ◽  
...  
Keyword(s):  
Body Image ◽  
Colorectal Surgery ◽  
Laparoscopic Colorectal Surgery ◽  
Wound Complication ◽  
Descriptive Study ◽  
Surgical Quality ◽  
Body Image Scale ◽  
Study Results ◽  
The Impact ◽  
Observational Descriptive Study

Abstract INTRODUCTION The aim of this study is to evaluate the impact of laparoscopic colorectal surgery (LCS) on body image using the validated Body Image Scale (BIS) as a parameter of surgical quality. MATERIAL AND METHODS We conducted an observational descriptive study. Patients who underwent scheduled LCS between June 2015 and December 2019 by a General Hospital Coloproctology Unit were included. RESULTS The sample included 180 patients, 115 men (63.9%) and 65 women (36.1%) with a median age of 67 years. Right hemicolectomies (31.7%) and sigmoidectomies (28.3%) were the main procedures performed. In most patients, a suprapubic (69.4%) or transverse (19.4%) incision was made. 21.9% suffered some type of postoperative complication (13.9% wound complication, 10.6% incisional hernia). The general result of the BIS questionnaire was satisfactory, with a median of 0 in the responses (no alteration of body image). We found that 46.2% of the women had some alteration in body image, compared to 28.7% of the men (p = 0.018) and low and ultra-low anterior resection were the surgeries that obtained worst scores, with 13,5% and 12,5% respectively of patients with a BIS score above 5 (p = 0.044). Patients with a stoma also obtained worst punctuation (25% above 5 vs 6,1%, p = 0.001). No statistically significant differences were found regarding type of incision, presence of complications and anxiety or depression. CONCLUSION Study results show, in general, good post-surgical body image after LCS. However, patients with stoma and women were more dissatisfied. Interestingly, there is no worse body image due to type of incision, so we recommend the least iatrogenic one.

scholarly journals Asymmetric TCD Findings in Malignant MCA Infarction, Resolution after Decompressive Hemicraniectomy: A Case Report

2020 ◽  
Vol 12 (Suppl. 1) ◽  
pp. 127-136
Author(s):  
Hazel Gaile  Barrozo ◽  
Maria Anna De Guzman ◽  
Jose  Navarro ◽  
Narayanaswamy Venketasubramanian
Keyword(s):  
Pressure Effects ◽  
Mean Flow ◽  
Brain Swelling ◽  
Decompressive Hemicraniectomy ◽  
Non Invasive ◽  
Invasive Method ◽  
Malignant Mca Infarction ◽  
Subsequent Rise ◽  
Very High ◽  
Hemispheric Infarct

Transcranial Doppler (TCD) is a non-invasive method for assessing cerebral hemodynamics in the acute phase of stroke. We report a case of a 33-year-old man who presented with a massive left hemispheric infarct developing into “malignant” MCA infarction. TCD was utilized to monitor intracranial hemodynamics while the clinical and neuroimaging findings were used to help us in the decision to proceed with decompressive craniectomy (DC). Pre-operatively, there was reduced mean flow velocities (MFV) of the middle cerebral artery (MCA) with increasing pulsatility index (PI) ipsilateral to the infarct. The subsequent but smaller rise in the PI in the contralateral MCA was suggestive of very high intracranial pressure (ICP) from massive brain swelling. Serial TCD examinations post-operatively showed normalization of the PI, and subsequent rise in the left MCA MFV. Clinical improvement was also noted as the TCD findings improved. The asymmetry in TCD findings can be attributed to occlusion of the MCA with subsequent spontaneous recanalisation, occlusion of the MCA with subsequent recanalisation due to the DC, or initial occlusion and subsequent pressure effects on the arterioles of the MCA due to the “malignant” edema of that hemisphere that was relieved by DC. This case illustrates the value of TCD as a useful modality in monitoring intracranial hemodynamics in acute stroke.

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