Search results for: Alexander Engel

Items from 1 to 20 out of 60 results

article

National screening for colorectal cancer is associated with stage shift to earlier diagnosis

Mina Sarofim, Amir Ashrafizadeh, Anthony J. Gill, Keshani Silva, more

ANZ Journal of Surgery > 94 > 7-8 > 1279 - 1285

Background Australia's National Bowel Cancer Screening Program consists of an immunohistochemical faecal occult blood test, targeting adults aged 50–74. Existing literature supports the principle of early detection of colorectal cancer (CRC) via national screening, but little is known about the association between colonoscopy or polypectomy rates and CRC stage over time. The aim of this study is...

article

Pragmatic or pristine surgical research

Mina Sarofim, Alexander Engel

Colorectal Disease > 26 > 6 > 1307 - 1308

article

Irritable bowel syndrome worsens faecal incontinence after primary repair of major obstetric anal sphincter injuries

Mina Sarofim, Annelie Slaar, Sylvia Dermout, Frank den Boer, more

Colorectal Disease > 26 > 3 > 508 - 514

Aim Obstetric anal sphincter injuries (OASIS) occur in approximately 3%–6% of vaginal deliveries and are the leading risk factor for late‐onset faecal incontinence, which is an underdiagnosed pathology. The aim of this work was to use a validated scoring system to quantify the effect of irritable bowel syndrome (IBS) on the severity of faecal incontinence symptoms after primary repair of major OASIS...

article

Population‐level utilisation of neoadjuvant radiotherapy for the treatment of rectal cancer

Jessica Gugusheff, Kahren White, Suzanne Fitzadam, Nicola Creighton, more

Journal of Surgical Oncology > 126 > 2 > 322 - 329

Purpose International clinical guidelines recommend long‐ or short‐course neoadjuvant radiotherapy for locally advanced rectal cancer. This study aims to examine variation in the use of neoadjuvant radiotherapy for rectal cancer and identify patient and hospital factors that underpin this variation. Methods and Materials We conducted a retrospective, consecutive cohort study using statewide hospitalisation...

article

Momenten‐Auflager‐Interaktion von mehrfeldrig gespannten Sandwichelementen

Alexander Engel, Jörg Lange

Stahlbau > 90 > 11 > 798 - 806

Selbsttragende Sandwichelemente mit beidseitigen Metall‐Deckschichten werden im Bauwesen i. d. R. als Mehrfeldträger geplant und verbaut. Hierbei tritt an den Zwischenauflagern stets eine Interaktion zwischen dem druckbelasteten Deckblech und der orthogonal dazu wirkenden Auflagerkraft auf, welche die Biegetragfähigkeit reduzieren kann. Viele Einflussfaktoren auf die reduzierte Tragfähigkeit bleiben...

article

Correction to: Wrong way maps in uniformly finite homology and homology of groups

Alexander Engel

Journal of Homotopy and Related Structures > 2019 > 14 > 4 > 1143-1144

There is an error in the proof of Theorem 2.16 of Ref. 2. It occured at the end of the second-to-last paragraph of the proof.

article

Perforation of Cecum Secondary to Foreign Body—Toothpick

Jothi Rajasekaran Murugesan, Tom Palesy, Alexander Engel

Indian Journal of Surgery > 2019 > 81 > 6 > 604-606

Intestinal perforation from foreign bodies is not uncommon. Toothpick perforation of the cecum is rare both site wise and as an etiology of perforation involving the large intestine. We report a case involving a 65-year-old female whose presentation was with nausea, vomiting, and lower abdominal pain of 4 weeks duration. Clinical examination at presentation revealed tenderness in the right iliac fossa...

article

Risk of bias judgements and strength of conclusions in meta-evidence from the Cochrane Colorectal Cancer Group

John Delaney, Rebecca Cui, Alexander Engel

Systematic Reviews > 2019 > 8 > 1 > 1-16

Background The Cochrane Collaboration records risk of bias (ROB) judgements on the original studies it analyses. The aim of this review is to perform an audit of all literature produced by the Cochrane Colorectal Cancer Group (CCCG), focusing on whether intervention type has any relationship with ROB and the ability of a review to inform clinical practice. Methods The most recent version of every...

article

Management of per rectal bleeding is resource intensive

Kar Yin Fok, Jothi R. Murugesan, Richard Maher, Alexander Engel

ANZ Journal of Surgery > 89 > 4 > E113 - E116

Background Haematochezia or per rectal (PR) bleeding is the most common presentation of lower gastrointestinal bleeding. This study analyses the hospital resources used in the management of patients with PR bleeding. Methods A retrospective analysis was performed on patients who presented with PR bleeding from June 2012 to December 2013 to a single tertiary centre in Sydney, Australia. Age, gender,...

article

K-Homology classes of elliptic uniform pseudodifferential operators

Alexander Engel

Annals of Global Analysis and Geometry > 2018 > 54 > 4 > 551-582

We show that an elliptic uniform pseudodifferential operator over a manifold of bounded geometry defines a class in uniform K-homology, and that this class only depends on the principal symbol of the operator.

article

Could Blockchain technology add value to surgical outcomes research?

Alexander Engel

Colorectal Disease > 20 > 5 > 369 - 370

article

Wrong way maps in uniformly finite homology and homology of groups

Alexander Engel

Journal of Homotopy and Related Structures > 2018 > 13 > 2 > 423-441

Given a non-compact Riemannian manifold M and a submanifold $$N \hookrightarrow M$$ N ↪ M of codimension q, we will construct under certain assumptions on both M and N a wrong way map $$H^\mathrm {uf}_*(M) \rightarrow H^\mathrm {uf}_{*-q}(N)$$ H ∗ uf ( M ) → H ∗ - q uf ( N ) in uniformly finite homology. Using an equivariant version of the construction and applying...

chapter

EUROCAE: UAS standardisation & coordination

Alexander Engel

2017 Integrated Communications, Navigation and Surveillance Conference (ICNS) > 1 - 11

2017 Integrated Communications, Navigation and Surveillance Conference (ICNS)

This article consists only of a collection of slides from the author's conference presentation.

article

Laparascopic assisted colonscopic polypectomy: a truly multidisciplinary treatment and research platform

Alexander Engel

Colorectal Disease > 18 > 11 > 1029 - 1030

article

Editor's choice

Alexander Engel

Colorectal Disease > 17 > 7 > i - i

article

Editor's choice

Alexander Engel

Colorectal Disease > 17 > 6 > i - i

article

Editor's choice

Alexander Engel

Colorectal Disease > 17 > 5 > i - i

article

Editor's choice

Alexander Engel

Colorectal Disease > 17 > 4 > i - i

article

Translational research has come of age and colorectal surgeons need to claim their part

Alexander Engel

Colorectal Disease > 17 > 2 > 101 - 101

article

Editor's Choice

Alexander Engel

Colorectal Disease > 17 > 2 > 132 - 132

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INFONA - science communication portal

Search results for: Alexander Engel

National screening for colorectal cancer is associated with stage shift to earlier diagnosis

Pragmatic or pristine surgical research

Irritable bowel syndrome worsens faecal incontinence after primary repair of major obstetric anal sphincter injuries

Population‐level utilisation of neoadjuvant radiotherapy for the treatment of rectal cancer

Momenten‐Auflager‐Interaktion von mehrfeldrig gespannten Sandwichelementen

Correction to: Wrong way maps in uniformly finite homology and homology of groups

Perforation of Cecum Secondary to Foreign Body—Toothpick

Risk of bias judgements and strength of conclusions in meta-evidence from the Cochrane Colorectal Cancer Group

Management of per rectal bleeding is resource intensive

K-Homology classes of elliptic uniform pseudodifferential operators

Could Blockchain technology add value to surgical outcomes research?

Wrong way maps in uniformly finite homology and homology of groups

EUROCAE: UAS standardisation & coordination

Laparascopic assisted colonscopic polypectomy: a truly multidisciplinary treatment and research platform

Editor's choice

Editor's choice

Editor's choice

Editor's choice

Translational research has come of age and colorectal surgeons need to claim their part

Editor's Choice

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