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  1. Article ; Online: Bariatric and Metabolic Surgery Can Prevent People with Obesity from COVID-19 Infection.

    Parmar, Chetan

    Obesity surgery

    2020  Volume 31, Issue 1, Page(s) 424–425

    Keywords covid19
    Language English
    Publishing date 2020-07-15
    Publishing country United States
    Document type Letter
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-020-04843-3
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3381: Show issues Location:
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    ab Jg. 2022: Lesesaal (EG)

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  2. Article ; Online: Commentary on "Laparoscopic sleeve gastrectomy versus laparoscopic gastric bypass: A retrospective cohort study".

    Parmar, Chetan

    International journal of surgery (London, England)

    2019  Volume 70, Page(s) 61–62

    MeSH term(s) Gastrectomy ; Gastric Bypass ; Humans ; Laparoscopy ; Obesity, Morbid/surgery ; Retrospective Studies
    Language English
    Publishing date 2019-08-14
    Publishing country England
    Document type Editorial ; Comment
    ZDB-ID 2212038-5
    ISSN 1743-9159 ; 1743-9191
    ISSN (online) 1743-9159
    ISSN 1743-9191
    DOI 10.1016/j.ijsu.2019.08.015
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6502: Show issues Location:
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  3. Article ; Online: Oesophageal and Gastric Cancer After Bariatric Surgery: an Up-to-Date Systematic Scoping Review of Literature of 324 Cases.

    Parmar, Chetan / Pouwels, Sjaak

    Obesity surgery

    2022  Volume 32, Issue 12, Page(s) 3854–3862

    Abstract: Background: This review aimed to give an updated overview of the occurrence, diagnosis, treatment and outcome of oesophageal and gastric cancer after bariatric and metabolic surgery (BMS).: Methods: Two searches were done (one for original studies ... ...

    Abstract Background: This review aimed to give an updated overview of the occurrence, diagnosis, treatment and outcome of oesophageal and gastric cancer after bariatric and metabolic surgery (BMS).
    Methods: Two searches were done (one for original studies and one for systematic reviews) using an adapted form of "scoping review methodology". MEDLINE, Embase, CINAHL, Pubmed and the Cochrane Library were searched for studies on patients with either oesophageal or gastric cancer after BMS.
    Results: A total of 52 unique studies were included which reported on 324 patients, which included 110 (34%) males and 136 (42%) females. In the remaining 78 patients, gender was not specified. A mean of 62.95 ± 32.75 months was the time from BMS to diagnosis of cancer. Most of the patients had a Roux-en-Y gastric bypass (RYGB) as index bariatric surgical procedure, followed by gastric banding (GB) and sleeve gastrectomy (SG) (respectively, 133 (41.0%) RYGB, 97 (30.0%) GB and 58 (18.0%) SG). Seven cases have been reported after OAGB-MGB (3 in gastric remnant, 4 in oesophagus/gastric pouch). Seventy-seven (24%) had distant metastasis (≥ M1/Mx status). The majority of tumours were adenocarcinoma (n = 208, 87.4%). In the majority of the cases, a surgical approach was preferred with either adjuvant chemo or radiotherapy. In the course of the disease, 122 of 324 patients died (37.8%).
    Conclusion: To our knowledge, this is the most up-to-date review addressing oesophageal and gastric malignancies after bariatric surgery. Future research should focus to optimise screening for oesophageal and gastric cancer after bariatric surgery.
    MeSH term(s) Male ; Female ; Humans ; Obesity, Morbid/surgery ; Stomach Neoplasms/surgery ; Systematic Reviews as Topic ; Gastric Bypass/methods ; Bariatric Surgery ; Gastrectomy/methods ; Esophagus/surgery ; Retrospective Studies ; Treatment Outcome
    Language English
    Publishing date 2022-10-15
    Publishing country United States
    Document type Review ; Journal Article
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-022-06304-5
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3381: Show issues Location:
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  5. Article ; Online: Bariatric and Metabolic Surgery Can Prevent People with Obesity from COVID-19 Infection

    Parmar, Chetan

    Obesity Surgery ; ISSN 0960-8923 1708-0428

    2020  

    Keywords Surgery ; Nutrition and Dietetics ; Endocrinology, Diabetes and Metabolism ; covid19
    Language English
    Publisher Springer Science and Business Media LLC
    Publishing country us
    Document type Article ; Online
    DOI 10.1007/s11695-020-04843-3
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: A systematic review of dramatherapy interventions used to support adults with psychosis.

    Melvin, Eleanor / Green, Marissa / Keiller, Eleanor / Parmar, Caroline / Bourne, Jane

    Schizophrenia research

    2024  Volume 267, Page(s) 44–54

    Abstract: Background: Psychiatric treatment of psychosis often comprises therapeutic and psychotropic combinations. Dramatherapy is often utilised in health services with this population, particularly when clients struggle to engage with talking therapies because ...

    Abstract Background: Psychiatric treatment of psychosis often comprises therapeutic and psychotropic combinations. Dramatherapy is often utilised in health services with this population, particularly when clients struggle to engage with talking therapies because of complex presentations, experience preverbal trauma, neurodiversity challenges and/or communication difficulties. Dramatherapy as a therapeutic intervention is recognised by health regulating bodies but as yet has not yet been systematically reviewed.
    Aims: To synthesise existing peer-reviewed empirical research literature and gather evidence regarding dramatherapy used to support adults with psychosis; To collate and understand the intervention methods of dramatherapy as a treatment to support adults experiencing psychosis; To assess the effect of dramatherapy on adults with psychosis, by collating qualitative and quantitative outcome measures, where reported in included research.
    Methods: Literature was sourced through database searches (CINAHL, EMBASE, COCHRANE, PsycINFO, PubMed, Scopus, and APA PsycNet) and hand searches. 8541 papers were screened, and 11 met inclusion criteria for synthesis. Findings related to aims were narratively synthesised, before being thematically analysed.
    Results: Participant characteristics of age, gender, ethnicity, and socio-economic background were heterogeneous. Participants across studies often had multiple diagnoses, and unknown complexities making recovery through standard treatment unachievable. Presentations included episodes of psychosis, schizophrenia, and dual-diagnoses of mental health challenges and intellectual difficulties. Positive effects found the use of dramatherapy include: New perspectives; Improved relationships; Ability to make choices with reduced anxiety; Understanding of self; Reduced psychotic symptoms. Quantitative data substantiated qualitative findings, and effect indicated changes in social functioning, behaviours, and symptoms following dramatherapy intervention.
    Implications: Systematic findings will support practitioners to implement evidence-based practice and to improve treatment provision for adults with psychosis. Further methodologically sound research into the field is encouraged to advance understanding of dramatherapy interventions for adults with psychosis.
    Language English
    Publishing date 2024-03-21
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 639422-x
    ISSN 1573-2509 ; 0920-9964
    ISSN (online) 1573-2509
    ISSN 0920-9964
    DOI 10.1016/j.schres.2024.02.031
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    Zs.A 2351: Show issues Location:
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    Zs.MO 543: Show issues

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  7. Article: Nonhepatic hyperammonemic encephalopathy following bariatric surgery: A systematic review.

    Sakran, Nasser / Parmar, Chetan / Pouwels, Sjaak

    Obesity research & clinical practice

    2023  Volume 17, Issue 6, Page(s) 458–467

    Abstract: Background: Nonhepatic Hyperammonemic encephalopathy (NHAE) following Bariatric Surgery (BS), mainly Roux-en-Y Gastric Bypass (RYGB) and Biliopancreatic Diversion (BPD) is a potentially devastating condition if not diagnosed and managed promptly.: ... ...

    Abstract Background: Nonhepatic Hyperammonemic encephalopathy (NHAE) following Bariatric Surgery (BS), mainly Roux-en-Y Gastric Bypass (RYGB) and Biliopancreatic Diversion (BPD) is a potentially devastating condition if not diagnosed and managed promptly.
    Methods: A literature review was performed using PRISMA guidelines. Eighteen studies and 3 conference abstracts with a total of 33 patients were included in this review.
    Results: Majority (28 patients, 84.8 %) had RYGB. Seven patients (21.2 %) had associated metabolic disorders. 60 % of patients presented with neurological symptoms or signs such as confusion, cognitive and/or psychomotor changes, and decreased reflexes. Two patients presented with status epilepticus. In 30 of the 33 patients an elevated serum ammonia levels was reported (90.9 %). The overall mortality was 39.3 %.
    Conclusion: NHAE is a rare condition following bariatric surgery (in particular bypass procedures), carrying a high mortality rate. The signs and symptoms are predominantly neurological and may be mistaken for Wernicke's encephalopathy or other more common neurological conditions. Serum ammonia levels should be checked in those who present with these symptoms and signs. Prompt treatment might be life saving in patients with NHAE.
    MeSH term(s) Humans ; Obesity, Morbid/surgery ; Ammonia ; Bariatric Surgery/adverse effects ; Gastric Bypass/methods ; Brain Diseases/etiology ; Retrospective Studies
    Chemical Substances Ammonia (7664-41-7)
    Language English
    Publishing date 2023-11-25
    Publishing country Netherlands
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 2274031-4
    ISSN 1878-0318 ; 1871-403X
    ISSN (online) 1878-0318
    ISSN 1871-403X
    DOI 10.1016/j.orcp.2023.11.001
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  8. Article ; Online: First Global Report of Catastrophic Results Due to Internal Herniation of Roux Limb in the Space Between the Gastric Pouch and Band: a Series of 3 Cases of Banded Roux-en-Y Gastric Bypass (BRYGB).

    Unadkat, Pooja / Parmar, Chetan / Lakdawala, Muffazal

    Obesity surgery

    2023  Volume 33, Issue 11, Page(s) 3706–3709

    Abstract: Background: Banded Roux-en-Y gastric bypass (BRYGB) is associated with complications known with the bypass along with specific complications related to the band. Roux-limb gangrene, due to herniation between the gastric pouch and band, however, has no ... ...

    Abstract Background: Banded Roux-en-Y gastric bypass (BRYGB) is associated with complications known with the bypass along with specific complications related to the band. Roux-limb gangrene, due to herniation between the gastric pouch and band, however, has no mention in literature.
    Methods: We report this potentially fatal complication of BRYGB and its management in a series of 3 patients.
    Results: All 3 patients were women, 35-45 years, with a BRYGB (roux limb-150 cm, biliopancreatic limb-100 cm) using a MiniMizer or a Fobi ring with 2-point fixation to the gastric pouch 2 cm above the gastrojejunostomy. All patients presented 3-4 years post-BRYGB, with an average total body weight loss (TWL%) of 41.28%. To discuss video of a single case, a 35-year-old female presented with abdominal pain, hematemesis and signs of abdominal tenderness and guarding. X-Ray abdomen showed distended small bowel loops and CT-scan revealed ischemic small bowel loops with free fluid. Diagnostic laparoscopy showed alimentary/roux limb (AL) gangrene, from the gastrojejunostomy to the jejunojejunostomy. The entire AL had herniated between the gastric pouch and band which had formed an obstructive ring around the herniated bowel loop and led to compromise of blood supply and gangrene. Resection of gangrenous bowel with reversal of BRYGB was done.
    Conclusion: Early diagnosis and timely management may save a patient from gangrene. It also raises questions: Is a 2-point fixation of the band to the gastric pouch insufficient? Does a longer roux limb make it prone to herniating in the space between the gastric pouch and band?
    MeSH term(s) Humans ; Female ; Adult ; Male ; Gastric Bypass/adverse effects ; Gastric Bypass/methods ; Obesity, Morbid/surgery ; Gangrene/etiology ; Gangrene/surgery ; Stomach/surgery ; Hernia ; Laparoscopy/adverse effects ; Laparoscopy/methods
    Language English
    Publishing date 2023-09-25
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-023-06828-4
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 3381: Show issues Location:
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  9. Article ; Online: Bariatric and Metabolic Surgery in Patients with Situs Inversus: a Systematic Review.

    Sakran, Nasser / Stier, Christine / Parmar, Chetan / Pouwels, Sjaak

    Obesity surgery

    2023  Volume 33, Issue 11, Page(s) 3628–3635

    Abstract: Laparoscopic surgery in patients with obesity with situs inversus (SI) may pose interesting challenges to diagnosing and managing due to the mirror image anatomy. Since in SI patient's organs are displaced, the surgery requires high levels of precision ... ...

    Abstract Laparoscopic surgery in patients with obesity with situs inversus (SI) may pose interesting challenges to diagnosing and managing due to the mirror image anatomy. Since in SI patient's organs are displaced, the surgery requires high levels of precision and hand-eye coordination. SI and bariatric surgery may pose challenges for the surgical team. A total of 46 patients were reported in this systematic review. The mean age of cases was ~39 years (range 19-59), and the mean BMI was 45.9 kg/m
    MeSH term(s) Humans ; Young Adult ; Adult ; Middle Aged ; Obesity, Morbid/surgery ; Bariatric Surgery/methods ; Gastric Bypass/methods ; Situs Inversus/surgery ; Situs Inversus/complications ; Gastrectomy/methods ; Laparoscopy/methods ; Treatment Outcome
    Language English
    Publishing date 2023-10-06
    Publishing country United States
    Document type Systematic Review ; Journal Article ; Review
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-023-06847-1
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    ab Jg. 2022: Lesesaal (EG)

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  10. Article ; Online: Letter to Editor Concerning: Global Bariatric Research Collaborative. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.

    O'Kane, Mary / Parmar, Chetan

    Obesity surgery

    2021  Volume 31, Issue 7, Page(s) 3337–3338

    MeSH term(s) Alopecia/etiology ; Bariatric Surgery ; Bariatrics ; Humans ; Obesity, Morbid/surgery ; Weight Loss
    Language English
    Publishing date 2021-03-29
    Publishing country United States
    Document type Letter ; Comment
    ZDB-ID 1070827-3
    ISSN 1708-0428 ; 0960-8923
    ISSN (online) 1708-0428
    ISSN 0960-8923
    DOI 10.1007/s11695-021-05378-x
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