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  1. Article ; Online: Treatment of horseshoe fistula with a two-stage modified Hanley procedure: A video vignette.

    Leventoglu, Sezai / Balci, Bengi / Yildiz, Alp / Mentes, Bedrettin Bulent

    Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

    2022  

    Abstract: A horseshoe fistula is a complex fistula that needs to be appropriately recognized to decrease recurrence rates usually resulting from insufficient treatment. The video presents a modified Hanley procedure for horseshoe fistula. ...

    Abstract A horseshoe fistula is a complex fistula that needs to be appropriately recognized to decrease recurrence rates usually resulting from insufficient treatment. The video presents a modified Hanley procedure for horseshoe fistula.
    Language English
    Publishing date 2022-07-06
    Publishing country England
    Document type Letter
    ZDB-ID 1440017-0
    ISSN 1463-1318 ; 1462-8910
    ISSN (online) 1463-1318
    ISSN 1462-8910
    DOI 10.1111/codi.16250
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Retrorectal tumors: A challenge for the surgeons.

    Balci, Bengi / Yildiz, Alp / Leventoğlu, Sezai / Mentes, Bulent

    World journal of gastrointestinal surgery

    2021  Volume 13, Issue 11, Page(s) 1327–1337

    Abstract: Retrorectal or presacral tumors are rare lesions located in the presacral area and considered as being derived from multiple embryological remnants. These tumors are classified as congenital, neurogenic, osseous, inflammatory, or miscellaneous. The most ... ...

    Abstract Retrorectal or presacral tumors are rare lesions located in the presacral area and considered as being derived from multiple embryological remnants. These tumors are classified as congenital, neurogenic, osseous, inflammatory, or miscellaneous. The most common among these are congenital benign lesions that present with non-specific symptoms, such as lower back pain and change in bowel habit. Although congenital and developmental tumors occur in younger patients, the median age of presentation is reported to be 45 years. Magnetic resonance imaging plays a crucial role in treatment management through accurate diagnosis of the lesion, the evaluation of invasion to adjacent structures, and the decision of appropriate surgical approach. The usefulness of preoperative biopsy is still debated; currently, it is only indicated for solid or heterogeneous tumors if it will alter the treatment management. Surgical resection with clear margins is considered the optimal treatment; described approaches are transabdominal, perineal, combined abdominoperineal, and minimally invasive. Benign retrorectal tumors have favorable long-term outcomes with a low incidence of recurrence, whereas malignant tumors have a potential for distant organ metastasis in addition to local recurrence.
    Language English
    Publishing date 2021-12-14
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 2573700-4
    ISSN 1948-9366
    ISSN 1948-9366
    DOI 10.4240/wjgs.v13.i11.1327
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Determination of the effect of prophylactic dressing on the prevention of skin injuries associated with personal protective equipments in health care workers during COVID-19 pandemic.

    Yıldız, Aybala / Karadağ, Ayişe / Yıldız, Alp / Çakar, Vildan

    Journal of tissue viability

    2020  Volume 30, Issue 1, Page(s) 21–27

    Abstract: Aim: The present study was carried out as a comparative observational study in order to determine the effect of prophylactic dressing on the prevention of skin injuries due to the use of personal protective equipment (PPE) in health care workers (HCWs) ... ...

    Abstract Aim: The present study was carried out as a comparative observational study in order to determine the effect of prophylactic dressing on the prevention of skin injuries due to the use of personal protective equipment (PPE) in health care workers (HCWs) working with COVID-19 patients. In addition, the effect of nasal strip on the prevention of discomfort in breathing with mask was also investigated.
    Materials and methods: The present study was carried out with 48 HCWs (Control Group-CG, n = 20; Experimental Group 1-EG1, n = 20; Experimental Group 2-EG2, n = 8) who use PPE on the face region and work with COVID-19 patients. Data was collected with Data Collection Form developed by researchers. In participants in CG, normal procedures of the institution in using PPE were followed. In EG1, prophylactic dressing was used on risky areas on the face. In EG2, nasal strip sticky on one side was used in addition to prophylactic dressing. The evaluation of the facial skin was made once a day by a researcher with expertise in wound management.
    Results: Groups were similar in terms of demographic characteristics of participants. Overall rate of skin injuries associated with PPE use was 47.9%. Skin injuries developed in all participants in CG (n = 20), and in two and one participants in EG1 and EG2 respectively, with significant difference between groups. The most common skin injuries were Stage 1 pressure injury (29.2%), blanchable erythema of intact skin (27.1%) and itching (18.8%). No participant in EG2 reported discomfort in breathing (n = 8). Significant difference was found between groups in favor of EG2 in terms of experiencing discomfort in breathing (p < 0.001).
    Conclusions: In the present study, it was established that using prophylactic dressing under PPE prevents skin injuries on the facial skin and using nasal strip prevents discomfort in breathing with mask. In view of these results, it was recommended that prophylactic dressing should be used under PPE.
    MeSH term(s) Adult ; Bandages ; COVID-19/prevention & control ; Facial Injuries/prevention & control ; Female ; Health Personnel ; Humans ; Male ; Masks/adverse effects ; Personal Protective Equipment/adverse effects ; Skin/injuries
    Keywords covid19
    Language English
    Publishing date 2020-11-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 1282604-2
    ISSN 0965-206X
    ISSN 0965-206X
    DOI 10.1016/j.jtv.2020.10.005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Quality of life and psychometric evaluation of patients diagnosed with irritable bowel syndrome: an observational cohort study.

    Yildiz, Alp / Kizil, Emre / Yildiz, Aybala

    Sao Paulo medical journal = Revista paulista de medicina

    2020  Volume 138, Issue 4, Page(s) 282–286

    Abstract: Background: Very few data are available for evaluating health-related quality of life among people with irritable bowel syndrome (IBS) and even fewer data are available in relation to anxiety and depression status among these patients.: Objectives: ... ...

    Abstract Background: Very few data are available for evaluating health-related quality of life among people with irritable bowel syndrome (IBS) and even fewer data are available in relation to anxiety and depression status among these patients.
    Objectives: To evaluate the quality of life, anxiety and depression status of patients with IBS.
    Design and setting: Observational cohort study conducted in a tertiary-care university hospital.
    Methods: Patients who had recently been diagnosed with IBS and who had been followed up for IBS-specific treatment for at least three months were included. A quality of life (QoL) survey, the Beck Anxiety Index (BAI) and the Hamilton Depression Index (HAM-D) were applied to the patients.
    Results: In total, 274 patients with IBS were included in the study cohort. These patients presented very high baseline scores for anxiety and depression, and very poor QoL results.
    Conclusion: Our study showed that IBS had a very high impact on these patients, regarding their anxiety and depression levels, alongside very poor results relating to quality of life.
    MeSH term(s) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Anxiety/diagnosis ; Anxiety/epidemiology ; Cohort Studies ; Depression/diagnosis ; Depression/epidemiology ; Female ; Humans ; Irritable Bowel Syndrome/diagnosis ; Irritable Bowel Syndrome/psychology ; Male ; Middle Aged ; Psychiatric Status Rating Scales ; Psychometrics ; Quality of Life/psychology ; Surveys and Questionnaires ; Young Adult
    Language English
    Publishing date 2020-05-28
    Publishing country Brazil
    Document type Journal Article ; Observational Study
    ZDB-ID 1203171-9
    ISSN 1806-9460 ; 1516-3180 ; 0035-0362
    ISSN (online) 1806-9460
    ISSN 1516-3180 ; 0035-0362
    DOI 10.1590/1516-3180.2019.0527.R1.16042020
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Martius flap for rectovaginal fistula after obstetric injury - a video vignette.

    Yildiz, Alp / Balci, Bengi / Leventoglu, Sezai / Bulent Mentes, Bedrettin

    Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

    2021  Volume 23, Issue 9, Page(s) 2487

    MeSH term(s) Female ; Humans ; Pregnancy ; Rectovaginal Fistula/etiology ; Rectovaginal Fistula/surgery ; Surgical Flaps
    Language English
    Publishing date 2021-07-13
    Publishing country England
    Document type Journal Article ; Video-Audio Media
    ZDB-ID 1440017-0
    ISSN 1463-1318 ; 1462-8910
    ISSN (online) 1463-1318
    ISSN 1462-8910
    DOI 10.1111/codi.15765
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Diamond-shaped flap anoplasty for severe anal stenosis - a video vignette.

    Balci, Bengi / Yildiz, Alp / Leventoglu, Sezai / Bülent Mentes, B

    Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

    2021  Volume 23, Issue 7, Page(s) 1941

    MeSH term(s) Anal Canal/surgery ; Constriction, Pathologic/etiology ; Constriction, Pathologic/surgery ; Digestive System Surgical Procedures ; Humans ; Surgical Flaps
    Language English
    Publishing date 2021-05-02
    Publishing country England
    Document type Letter ; Video-Audio Media
    ZDB-ID 1440017-0
    ISSN 1463-1318 ; 1462-8910
    ISSN (online) 1463-1318
    ISSN 1462-8910
    DOI 10.1111/codi.15671
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  7. Article: Effect of Different Dietary Inclusion Levels of Sunflower Meal and Multi-Enzyme Supplementation on Performance, Meat Yield, Ileum Histomorphology, and Pancreatic Enzyme Activities in Growing Quails.

    Tüzün, Ahmet Engin / Olgun, Osman / Yıldız, Alp Önder / Şentürk, Esra Tuğçe

    Animals : an open access journal from MDPI

    2020  Volume 10, Issue 4

    Abstract: This study aimed to investigate the effect of dietary sunflower meal (SFM) and multi-enzyme levels on performance, carcass traits, intestinal histomorphology and pancreatic enzyme production in quails. Three hundred and twenty, 1-day-old quail chicks ... ...

    Abstract This study aimed to investigate the effect of dietary sunflower meal (SFM) and multi-enzyme levels on performance, carcass traits, intestinal histomorphology and pancreatic enzyme production in quails. Three hundred and twenty, 1-day-old quail chicks were divided into 8 groups with 4 replicates consisting of 10 birds each in the group. The experiment was randomized design consisting of a 4 × 2 factorial arrangement, with four levels of SFM (0%, 10%, 15%, or 20%) and two levels of multi-enzyme (0.0 or 1.0 g/kg) inclusion in the diet. The body weight, body weight gain, and feed conversion ratio were negatively influenced by the 15% and 20% SFM (
    Language English
    Publishing date 2020-04-13
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani10040680
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Radical surgical management of perianal giant condyloma acuminatum of Buschke and Löwenstein: long-term results of 11 cases.

    Yildiz, Alp / Leventoglu, Sezai / Yildiz, Aybala / Inan, Arda / Mentes, Bedrettin Bulent

    Annals of coloproctology

    2021  Volume 39, Issue 3, Page(s) 204–209

    Abstract: Purpose: Perianal Buschke-Löwenstein tumor (BLT) is characterized by an exophytic cauliflower-like mass surrounding the perianal region. Its tendency to infiltrate the adjacent tissues, its massiveness, and its high recurrence rate cause difficulties in ...

    Abstract Purpose: Perianal Buschke-Löwenstein tumor (BLT) is characterized by an exophytic cauliflower-like mass surrounding the perianal region. Its tendency to infiltrate the adjacent tissues, its massiveness, and its high recurrence rate cause difficulties in treatment. The aim of this study is to report our strategy with wide local excision and flap reconstruction for BLT.
    Methods: From November 2002 to June 2019, 11 patients (9 men) with a mean age of 33.45 years (range, 19-54 years) were operated on for BLT. All patients underwent wide local excision and V-Y flap reconstruction, supplemented with other flaps whenever needed. No additional modalities were used.
    Results: Two patients had a history of anal intercourse while all patients were human immunodeficiency virus-negative. The mean tumor length was 15.54 ± 1.34 cm (range, 10-26 cm). Human papillomavirus 6 was the most common type identified. Partial wound dehiscence developed in 3 patients, while anal stenosis, mucosal ectropion, or local recurrence was not observed during the mean follow-up period of 50.45 ± 1.75 months (range, 10-196 months).
    Conclusion: In patients with perianal BLT, wide local excision and flap reconstruction result in a high healing rate without significant complications.
    Language English
    Publishing date 2021-08-23
    Publishing country Korea (South)
    Document type Journal Article
    ZDB-ID 2711906-3
    ISSN 2287-9722 ; 2287-9714
    ISSN (online) 2287-9722
    ISSN 2287-9714
    DOI 10.3393/ac.2021.00080.0011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Effects of carbohydrase enzyme supplementation on performance, eggshell quality, and bone parameters of laying hens fed on maize- and wheat-based diets.

    Olgun, Osman / Altay, Y / Yildiz, Alp O

    British poultry science

    2018  Volume 59, Issue 2, Page(s) 211–217

    Abstract: 1. This study was conducted to determine the effects of enzyme supplementation of maize/wheat-based diets on the performance, egg quality, and serum and bone parameters of laying hens. 2. During the 12-week experimental period, a total of 72 laying hens ... ...

    Abstract 1. This study was conducted to determine the effects of enzyme supplementation of maize/wheat-based diets on the performance, egg quality, and serum and bone parameters of laying hens. 2. During the 12-week experimental period, a total of 72 laying hens aged 52 weeks were randomly distributed among 6 experimental groups. Each experimental group contained 4 replicates, each with three birds. The experiment was a randomised design consisting of a 3 × 2 factorial arrangement, with three levels of wheat substitution and two levels of enzyme (xylanase: 1500.00 U/kg, β-glucanase: 100 000 U/kg, cellulase: 1 000 000 U/kg, α-amylase: 160 000 U/kg) inclusion in the diet. Wheat replaced 0, 50, or 100% of maize with or without 1.0 g/kg enzyme supplementation in iso-nitrogenous and iso-caloric experimental diets. 3. Body weight, egg production, egg weight, egg mass, eggshell thickness, and the feed conversion ratio were adversely affected by the wheat-based diet. The eggshell quality parameters decreased with enzyme supplementation to the diet. 4. Wheat-based diets adversely affected calcium and phosphorus concentrations in the tibia, but the addition of the enzymes to the wheat-based diet prevented the negative effects of wheat-based diets on tibia mineralisation in laying hens. The wheat-based diets tended to reduce plasma mineral contents, and the addition of enzymes tended to affect plasma minerals and biomechanical properties of the tibia positively in laying hens. 5. These results indicate that wheat-based diets in aged laying hens adversely affected the mineral metabolism compared with maize-based diets, and the negative effects of wheat on bone mineralisation can be prevented by enzyme supplementation to the diets in laying hens.
    MeSH term(s) Animal Feed/analysis ; Animals ; Biomechanical Phenomena ; Calcification, Physiologic/drug effects ; Chickens/physiology ; Diet/veterinary ; Dietary Supplements/analysis ; Dose-Response Relationship, Drug ; Egg Shell/drug effects ; Egg Shell/physiology ; Female ; Glycoside Hydrolases/administration & dosage ; Glycoside Hydrolases/metabolism ; Random Allocation ; Triticum/chemistry ; Zea mays/chemistry
    Chemical Substances Glycoside Hydrolases (EC 3.2.1.-) ; carbohydrase (EC 3.2.1.-)
    Language English
    Publishing date 2018-01-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 956653-3
    ISSN 1466-1799 ; 0007-1668
    ISSN (online) 1466-1799
    ISSN 0007-1668
    DOI 10.1080/00071668.2018.1423677
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  10. Article: Recommendations for surgical interventions during COVID-19 pandemic/ COVID-19 Pandemisi sürecinde uygulanacak cerrahi girisimlere yönelik öneriler

    Yildiz, Alp / Çetinkaya, Mehmet / Leventoǧlu, Sezai / Senköylü, Alpaslan

    Gazi Med. J.

    Abstract: Throughout human history, many pandemics have broken out and caused great numbers of deaths. As the technological development made quite a huge advancement by the twentieth century, the medical treatment armamentarium had widened its facilities and ... ...

    Abstract Throughout human history, many pandemics have broken out and caused great numbers of deaths. As the technological development made quite a huge advancement by the twentieth century, the medical treatment armamentarium had widened its facilities and resources. This brought with sophisticated and competent health care services for people which provided the medical practitioners with higher success rates when fighting against diseases and improved recovery and survival rates. However, during the COVID-19 pandemic, the high transmission rate of the novel SARS-Cov-2 virus has led to the paralysis of the health system and running out of the resources and healthcare workers. Thus, local government healthcare service regulators have begun building up plans to create management algorithms to use the limited resources more efficiently. This paper presents preliminary practical instructions for healthcare providers as a basic foundation for COVID-19 and potential future pandemics.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #684062
    Database COVID19

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