scholarly journals Morphological Changes in the Somatosensory Cortex of Guinea Pigs Following Simulation of the Abdominal Surgery Wound

2021 ◽  
Vol 10 (4) ◽  
pp. 36-42
Author(s):  
T. A. Ishunina

The aim of research was to study the effect of the abdominal wall injuries and ascorbic acid (AA) on morphometric parameters of the somatosensory cortex.Material and methods. The density of the arrangement of neurons, sizes of nuclei and perikaryons of neurons, density and area of blood vessels in the somatosensory cortex were detected in guinea pigs after simulation of the abdominal wall injury. The process was accompanied by the parenteral administration of AA.Results. Simulation of the abdominal wall injury in guinea pigs resulted in a decreased thickness of the somatosensory cortex and a decreased density of neurons arrangement (on average by 32-37%). In 7 days after the operation, the exposed animals demonstrated a decreased density of blood vessels by 14–18%, the size of blood vessels also decreased by 27–46%; the fact evidencing a deterioration in the blood supply to the somatosensory cortex in the postoperative period. The effect of AA was mainly manifested in the increased size of the nuclei and perikaryons of neurons (by 20–40%); this evidencing activation of their metabolic activity. The most significant changes in the studied parameters were observed in the outer granular and, to a lesser extent, in the pyramidal and inner granular cytoarchitectonic layers.Conclusion. Experimental abdominal surgical interventions resulted in a decreased size and density of blood vessels in the somatosensory cortex. The results obtained can be used to develop methods of postoperative rehabilitation with the inclusion of drugs that improve blood supply and metabolism of the brain neurons. AA potentiates some of the effects of surgery on the somatosensory cortex; currently, there are no sufficient data to recommend it as a neuroprotective agent in the postoperative period.

Author(s):  
Valentine Madyarov ◽  
Maulen Malgazhdarov ◽  
Yerik Kaliaskarov ◽  
Gulnara Zhapbarkulova ◽  
Karakoz Amantayeva

Introduction: ostoperative ventral hernia (PVH) is a protrusion of the abdominal organs (intestinal loops, omentum, etc.) beyond the abdominal wall through a postoperative space or a scar. Prevention and treatment of external abdominal hernias is one of the urgent problems of modern surgery. PVH is a serious late complication following surgery found in 5%–14% of patients. Aim: The aim of the study was to define the most important measures to prevent the occurrence of ventral hernia relapses, as well as to predict the occurrence or relapse by determining collagen content. Material and methods: The main objective of the study was to formulate the main preventive measures of ventral hernia relapses using a method to determine collagen content. Ultrasound examination of the abdominal cavity was used as one of the safest and most advanced diagnostic methods for PVH diagnostics. During the study, a retrospective analysis of 277 case records was used to determine the main causes of ventral hernia relapses and justify the need to prevent PVH relapses. Results and discussion: In this study, the authors try to develop a scheme for optimal postoperative rehabilitation of the patients to prevent ventral hernia relapses, ways to prevent PVH recurrences in the experiment and to determine the relationship between the risk of PVH and relapses associated with collagen. A comprehensive study consisting of three stages was conducted. Conclusions: As a result, a conceptual model was developed to improve the prevention of PVH and its relapses.


2016 ◽  
Vol 22 (2) ◽  
pp. 201621
Author(s):  
Ivanna Koshel

Surgical interventions in the nasal cavity are accompanied by reactive phenomena in the postoperative period. On their background the process of physiological regeneration is disorganized resulting in impaired physiological functions of the nasal cavity.The objective of the research was to study the recovery process of the main physiological functions of the nasal cavity in patients with aspirin-intolerant polypous rhinosinusitis in the postoperative period.Materials and methods. 80 patients with aspirin-intolerant polypous rhinosinusitis at the age of 24-57 years were operated on.All the patients were divided into 2 groups: the control group included 30 patients; the main group comprised 50 patients.Patients of the control group received nasal cavity cleaning, nasal mucosa anemisation, irrigation therapy since the first day of the postoperative period.Patients of the main group received an herbal drug BNO-101 additionally. The effectiveness was assessed on the 3rd, 7th and 10th days of treatment.Results. The postoperative rehabilitation with the inclusion of botanical preparation BNO-101 provided a significant improvement of nasal breathing, mucociliary transport rate and indicators of nasal peak flowmetry compared to the control group. Despite subjective improvement of nasal breathing the indicators of the peak expiratory flow rate in the main group were 34.2% lower than the norm while in the control group they were 54.7% lower than normal ones thereby justifying further treatment.Conclusions. The postoperative rehabilitation of patients with aspirin-intolerant polypous rhinosinusitis provided more rapid improvement of the main functions of the nasal cavity compared to the control group.


2021 ◽  
Vol 68 (1) ◽  
pp. 10-16
Author(s):  
V.V. Boiko ◽  
◽  
K.Y. Parkhomenko ◽  
O.E. Feskov ◽  
A.Y. Gavrikov ◽  
...  

The growing number of surgical interventions that occur worldwide, along with the increasing prevalence of general somatic pathology, keeps current the problem of preventing complications during surgery and in the postoperative period. An efficient solution to this problem is to determine the risk of surgery, directed preoperative preparation, taking into account the comorbidity, optimization of surgery and postoperative rehabilitation. Fast-track surgery and enhanced recovery after surgery programs have significant potential for improving outcomes of surgery. These programs are widely used in various fields of surgery, but their effectiveness in herniology, especially in the performing simultaneous surgeries, there are very few reports, and the results of individual studies are contradictory. The review provides an analysis of holistic strategies of fast-track surgery and enhanced recovery and individual measures to assess the effectiveness of their impact on the immediate results of surgical interventions.


2018 ◽  
Vol 99 (3) ◽  
pp. 456-461
Author(s):  
A N Kivva ◽  
A V Leiga

The review of national and foreign literature sources presents information on arterial blood supply of the umbilical region in newborns having relevant practical significance due to the development of new surgical approaches in that part of the anterior abdominal wall. Scientific data on the course and location of arteries participating in the blood supply of the umbilical region are summarized. Particular attention is devoted to the description of superficial, superior and inferior epigastric arteries and umbilical arteries. The issues of intervascular connections between the named arteries and other blood vessels are discussed including information on various anastomosis variations and their extent. Various existing viewpoints regarding the location and depth of anastomoses between the vessels essential for blood supply of the umbilical region are presented as well as the layers, through which the main arteries pass, and the character and level of their branching. Features of arterial blood supply of the umbilical region in newborns are also noted. The paper contains data on the role of umbilical arteries in the umbilical region supply in children of that age. It is demonstrated that blood supply of the umbilical region in newborns still poses issues that are insufficiently researched and solved, such as assessing functional capacity of the umbilical arteries, revealing histotopographic peculiarities in the location of blood vessels within the layers and various segments of the umbilical region, topographic and anatomic identification of the segments that are most and least supplied with arterial vessels in that part of the abdominal wall.


Author(s):  
John L. Beggs ◽  
Peter C. Johnson ◽  
Astrid G. Olafsen ◽  
C. Jane Watkins

The blood supply (vasa nervorum) to peripheral nerves is composed of an interconnected dual circulation. The endoneurium of nerve fascicles is maintained by the intrinsic circulation which is composed of microvessels primarily of capillary caliber. Transperineurial arterioles link the intrinsic circulation with the extrinsic arterial supply located in the epineurium. Blood flow in the vasa nervorum is neurogenically influenced (1,2). Although a recent hypothesis proposes that endoneurial blood flow is controlled by the action of autonomic nerve fibers associated with epineurial arterioles (2), our recent studies (3) show that in addition to epineurial arterioles other segments of the vasa nervorum are also innervated. In this study, we examine blood vessels of the endoneurium for possible innervation.


2020 ◽  
pp. 51-56
Author(s):  
V.М. Аntonyuk-Kysil ◽  
◽  
І.Y. Dziubanovskyi ◽  
V.М. Yenikeeva ◽  
S.І. Lichner ◽  
...  

The objective: to evaluate the results of planned open surgical interventions (POSI) in pregnant women with primary symptomatic chronic vein disease (PSCVD). Materials and methods. The study included 457 pregnant women operated on a routine basis with PSCVD. The patients underwent ultrasound duplex angioscanning (USDA) of the veins of the lower extremities, inguinal canals, and iliac veins. The severity of the clinical manifestations of PSCVD was evaluated on a VCSS scale. With the help of the circadian visual-analog scale, the dynamics after the operative pain were studied. The effect of POSI on uterine tone and cardiac function of the fetus was investigated using cardiotocography. When forming the results for POSI, data from USDA, the severity of clinical and cosmetic manifestations of PCVD, the need for active prevention of thrombophlebetic, thromboembolic and hemorrhagic complications, minimization of surgical childbirth were taken into account. The results of treatment were studied in 2 groups of patients. Patients of the first group were treated with conservative therapy, the second group – POSI. Parametric indicators, which were presented as mean and standard error M(SD), were used for statistical data processing of the study, and their reliability was estimated using Student’s t-test. The species was determined to be significant at p<0.05. Results. 495 POSI were performed at 28-38 weeks gestation in an obstetric hospital (perinatal center), by a vascular surgeon from the staff of the center, who was familiarized with the peculiarities of working with this contingent of patients. Surgery was performed under local anesthesia in 346 (75.49%) pregnant women at one extremity, in 111 (24.51%) – at two in one session. According to the results of the study, it was noted that in the first group 33.7% of patients had a positive clinical result due to the reduction of pain syndrome, while 67.5% of patients had an increase and spread of varicose transformation in the area of saphenous and/or non-saphenous veins with spread of pathological venous reflux in the distal direction. 78% of patients had the need to administer prophylactic doses of low molecular weight heparins, both during pregnancy and in postpartum period. Out of 126 pregnant women with pronounced varicose veins of the external genital organs and perineum in 36 (28.6%) deliveries were performed by caesarean section. In 9 (3%) patients there was an acute thrombophlebitis of the subcutaneous veins of the lower extremities, which required 5 pregnant women to undergo urgent surgery when the inflammatory process had spread to the middle and above along the femoral vein of the large subcutaneous vein. Pregnant women of the second group with PSCVD on the basis of obstetric hospital (perinatal center) POSI were performed in the organization, which laid the ideology of the FTS program, strictly individual indications for intervention in the optimal terms of pregnancy, multidisciplinary management of patients, due to this in 93% of operated patients regression of clinical manifestations of the disease was noted, whch contributed to the correct and safe delivery of pregnancy with 100% absence of preterm birth, abnormalities in fetal development, pregnancy course, negative impact on obstetric and somatic condition of the pregnant woman. No hemorrhagic, thrombophlebic, thromboembolic complications were noted. Patients in the postoperative period did not require medical support, as during the period of pregnancy, during delivery and in the postpartum period. There were no indications for surgical delivery. 2.4% of patients experienced complications of post-operative wounds in the form of cheese, which had no effect on pregnancy and was eliminated before delivery. In the postoperative period, if necessary, it was recommended to use elastic compression class garments 1–2. Conclusion. POSI made at PSCVD in optimal terms of pregnancy in a specialized obstetric hospital by a vascular surgeon in strictly individual indications is safe, both for the fetus and the pregnant woman. It is promising to further study the results of POSI in pregnant women with PSCVD to introduce it into the arsenal of treatment of this pathology. Key words: FTS ideology, planned open surgical interventions in pregnant women.


2004 ◽  
Vol 138 (6) ◽  
pp. 621-623
Author(s):  
A. I. Khripun ◽  
G. B. Makhuova ◽  
A. A. Pal’tsyn ◽  
M. V. Anurov ◽  
S. M. Titkova ◽  
...  

2000 ◽  
Vol 09 (02) ◽  
pp. 265-276 ◽  
Author(s):  
E. A. YFANTIS ◽  
T. LAZARAKIS ◽  
G. BEBIS ◽  
G. M. GALLITANO

An algorithm of cancer recognition of ultrasound images is developed in this paper. As we pointed out in our previous work, in order for cancer to survive it develops its own blood supply system, which is different than the supply system of normal tissue. The velocity of the blood flowing through the cancerous blood vessels is different than the velocity of the blood flowing through blood vessels of normal tissue. Due to this fact the ultrasound signal is absorbed differently in the cancerous areas than in the normal tissue areas. The energy of the signal, the continuity of the signal, the autocorrelation function and frequency domain properties are different in the normal tissue than in cancerous tissue. All of these indicators are weighted here for the purpose of classifying the image of the tissue as being cancerous or non cancerous. Preliminary results based on limited number of ultrasound images show that our method has the ability to recognize cancer in ultrasound images.


2020 ◽  
pp. 128-134
Author(s):  
A. Ya. Pasko

Abstract. Thyroid gland (TG) diseases are among the most common and occupy the second place in the structure of endocrine system diseases after diabetes mellitus. The main method of TG disease treatment remains the surgical one. With the increase in the incidence of various forms of TG pathology, the number of surgeries increases including the ones performed at non-specialized in-patient facilities leading to an increase in the frequency of postoperative complications. One of the most common specific complications after surgeries on TG is postoperative hypoparathyroidism (PHPT). It occupies a special place considering the severity of manifestations and the difficulty in prevention. It is usually caused by trauma or parathyroid glands (PTG) removal, their blood supply disturbance, as well as the development of fibrosis at the surgery site in the long term. Therefore, the improvement of existing technologies and the development of new approaches to surgeries in case of TG diseases are relevant today. The most common method of postoperative hypoparathyroidism (PHPT) surgical prevention is precision nature of surgical manipulations with careful adhering to tactical and technical requirements for the operator: identify parathyroid glands (PTG) timely, mobilize gently, and keep their blood supply. However, it is often impossible to keep PTG intact structurally and without ischemia due to the small sizes of PTG and their vessels, anatomical and embryological features of these organs localization, the consistency and color similarity with fatty tissue, lymph nodes. The objective of the research was to develop and evaluate the algorithm of prevention and treatment of postoperative hypoparathyroidism (PHPT) based on determining parathyroid glands (PTG) viability and the use of antihypoxant-antioxidant therapy in the postoperative period. The research was based on the results of a comprehensive examination and treatment of 60 patients who were operated for thyroid gland diseases. The patients underwent inpatient treatment at the surgical department of Ivano-Frankivsk Central City Clinical Hospital and Ivano-Frankivsk Regional Oncology Center from 2017 to 2020. We proposed an algorithm for surgical prevention and treatment of PHPT during thyroid gland surgeries which consisted in the following. We performed a visual assessment of PTG intraoperatively and evaluated each gland from 0 to 3 points according to the degree of its viability affection. If the gland was evaluated at 0-2 points, we left it, since there was a high probability of maintaining its function. If it was evaluated at 3 points, its autotransplantation was performed. Cytoflavin drug was applied in a dose of 10 ml per 200 0.9% NaCl intravenously once a day during 7 days in the postoperative period for the purpose of antihypoxant-antioxidant therapy. 2 groups of patients were formed in order to evaluate the effectiveness of the algorithm. Each group consisted of 30 people. Patients of Group I underwent surgery on thyroid gland according to generally accepted rules. Patients of Group II underwent interventions according to the above-mentioned algorithm. The use of our proposed algorithm (intraoperative assessment of PTG viability and antihypoxant-antioxidant therapy in the postoperative period) significantly reduces the frequency of permanent PHP justifying indications to its application.


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