Prominent publications by Morten BAY‐NIELSEN

KOL Index score: 12911

OBJECTIVE: To determine the incidence of groin pain 1 year after inguinal herniorrhaphy and to assess the influence of chronic groin pain on function.

SUMMARY BACKGROUND DATA: The reported incidence of chronic pain after inguinal herniorrhaphy varies from 0% to 37%. No cross-sectional cohort studies with high follow-up rates have addressed this problem, and there is a lack of assessment of the functional consequences of chronic groin pain after herniorrhaphy.

METHODS: Two sets of ...

Also Ranks for: Inguinal Herniorrhaphy |  functional impairment |  1 year |  incidence pain |  questionnaire study
KOL Index score: 12749

BACKGROUND: The risk of recurrence of inguinal hernia within 5 years of repair is lower after mesh than sutured repair in men, but no large-scale studies have compared the risk of recurrence beyond 5 years.

METHODS: The Danish Hernia Database prospectively collects data on almost all primary inguinal hernia repairs in men (older than 18 years). This study used data recorded over 8 years, analysing reoperations for recurrent hernia in the intervals 0-30 months, 30-60 months and 60-96 ...

Also Ranks for: 5 Years |  hernia repair |  risk recurrence |  lichtenstein mesh |  reoperation rate
KOL Index score: 12324

BACKGROUND: Chronic pain is common after herniorrhaphy, but the effect of surgical technique (mesh versus non-mesh repair) and the social consequences of the pain have not been established. The aim of this study was to analyse chronic postherniorrhaphy pain and its social consequences in young males operated on for an indirect inguinal hernia with a Lichtenstein mesh repair, Shouldice or Marcy (annulorrhaphy) repair.

METHODS: This was a postal questionnaire study carried out within the ...

Also Ranks for: Chronic Pain |  young males |  indirect inguinal hernia |  sutured repair |  cent patients
KOL Index score: 10854

OBJECTIVES: We analyze, on a nationwide basis, the risk of re-reoperation with reference to previous inguinal hernia repair technique.

SUMMARY BACKGROUND DATA: Operation for a recurrent inguinal hernia is common and the risk of re-recurrence is high. There are no large-scale data evaluating the surgical strategy and results after recurrent inguinal hernia repairs.

METHODS: Prospective recording of all primary and subsequent recurrent inguinal hernia repairs from January 1, 1998 to ...

Also Ranks for: Recurrent Inguinal Hernia |  laparoscopic repair |  inguinal humans |  recurrence reoperation |  primary lichtenstein
KOL Index score: 10667

BACKGROUND: Groin hernia repair is one of the most frequent operations, but there is no consensus about surgical or anaesthetic technique. Furthermore, no nationwide studies have been done. Our aim was to investigate outcome results of groin hernia surgery to improve quality of treatment.

METHODS: We prospectively recorded 26304 groin hernia repairs done in Denmark from Jan 1, 1998, to June 30, 2000, in a nationwide Danish hernia database.

FINDINGS: 93% of all groin herniorrhaphies done ...

Also Ranks for: Laparoscopic Repair |  reoperation rates |  factual denmark hernia |  local anaesthesia |  nationwide study
KOL Index score: 9520

The European Hernia Society (EHS) is proud to present the EHS Guidelines for the Treatment of Inguinal Hernia in Adult Patients. The Guidelines contain recommendations for the treatment of inguinal hernia from diagnosis till aftercare. They have been developed by a Working Group consisting of expert surgeons with representatives of 14 country members of the EHS. They are evidence-based and, when necessary, a consensus was reached among all members. The Guidelines have been reviewed by a ...

Also Ranks for: Inguinal Hernia |  guidelines recommendations |  expert surgeons |  surgical mesh |  procedures operative
KOL Index score: 9287

BACKGROUND: Randomised studies suggest regional anaesthesia to have the highest morbidity and local infiltration anaesthesia to have the lowest morbidity after groin hernia repair. However, implications and results of this evidence for general practice are not known.

METHODS: Prospective nation-wide data collection in a cohort of n=29,033 elective groin hernia repairs, registered in the Danish Hernia Database in three periods, namely July 1998-June 1999, July 2000-June 2001 and July ...

Also Ranks for: Groin Hernia Repair |  regional anaesthesia |  conduction anesthesia |  65 years |  younger patients
KOL Index score: 9252

BACKGROUND: According to a Cochrane review, laparoscopic inguinal hernia repair compares favourably with open mesh repair, but few data exist from surgical practice outside departments with a special interest in hernia surgery. This study compared nationwide reoperation rates after laparoscopic and Lichtenstein repair, adjusting for factors predisposing to recurrence.

METHODS: Some 3606 consecutive laparoscopic repairs were compared with 39 537 Lichtenstein repairs that were ...

Also Ranks for: Lichtenstein Repair |  inguinal hernia |  reoperation rates |  primary recurrent |  factors recurrence
KOL Index score: 9082

BackgroundPrevalence, management, and risk of emergency operation for primary ventral or groin hernia in pregnancy are unknown. The objective of this study was to estimate the prevalences of primary ventral or groin hernia in pregnancy and the potential risks for elective and emergency repair.MethodsThis single-institutional retrospective study included all pregnant women attending one or more prenatal consultations at Hvidovre Hospital, Denmark, during a 3-year period. Patients’ medical ...

Also Ranks for: Groin Hernia |  primary ventral |  pregnant women |  repair pregnancy |  adult denmark
KOL Index score: 8429

Mortality and morbidity occur commonly following emergency laparotomy, and incur a considerable clinical and financial healthcare burden. Limited data have been published describing the postoperative course and temporal pattern of complications after emergency laparotomy. We undertook a retrospective, observational, multicentre study of complications in 1139 patients after emergency laparotomy. A major complication occurred in 537/1139 (47%) of all patients within 30 days of surgery. ...

Also Ranks for: Emergency Laparotomy |  complications mortality |  surgery patients |  aged postoperative |  observational cohort
KOL Index score: 8381

BACKGROUND: Body mass index (BMI) derived from self-reported information is widely used and the validity is therefore crucial. We aim at testing the validity of self-reported height and weight, and to test if the accuracy of self-reported information can be improved by calibration by testing if calibration improved the ability to predict diabetes.

METHODS: Data from Danish Health Examination Survey (DANHES) was used. 15 692 participants who had both filled out questionnaire and ...

Also Ranks for: Reported Height |  weight bmi |  measured values |  mass body |  female health
KOL Index score: 8311

BackgroundRepair for umbilical and epigastric hernia is a minor and common surgical procedure. Early outcomes are not well documented.MethodsAll patients ≥18 years operated on for umbilical or epigastric hernia in Denmark during a 2-year period (2005–2006) were analysed according to hospital stay, risk of readmission, complications, and mortality <30 days after operation. Patients with acute operations and patients having an umbilical and epigastric hernia repair secondary to other ...

Also Ranks for: Epigastric Hernia |  umbilical herniorrhaphy humans |  nationwide study |  1 day |  surgical procedures
KOL Index score: 8044

BackgroundLaparoscopic inguinal hernia repair is becoming more common in many countries, but the quality of care, experience of the operating surgeon, and details of the surgical technique are not known in detail on a national level in Denmark. In a period of expanding surgical volume for laparoscopic inguinal hernia repair, it is important to know the typical indications for surgery, re-operation rates, details of surgical technique, and status of surgical training on a national level ...

Also Ranks for: Inguinal Hernia |  laparoscopic repair |  surgical training |  humans laparoscopy |  general surgery
KOL Index score: 7957

OBJECTIVES: We undertook a register-based cohort study to evaluate exposure-response relations between cumulative occupational mechanical exposures, and risk of lateral and medial inguinal hernia repair.

METHODS: Among all men born in Denmark between 1938 and 1988, we established a cohort comprising those aged 18-65 years of age, who had at least 1 year of full-time employment between 1993 and 2007. Using information from a Job Exposure Matrix based on expert judgement and year-by-year ...

Also Ranks for: Inguinal Hernia |  occupational mechanical |  standing walking |  surgical repair |  lifting exposures

Key People For Inguinal Hernia

Top KOLs in the world
Robert ****** ***********
inguinal hernia watchful waiting lynch syndrome
Volker ***********
abdominal wall inguinal hernia mesh repair
Parviz * ****
local anesthesia inguinal hernia abdominal wall
Henrik ******
knee arthroplasty epidural analgesia chronic pain
Andrew * **********
acute pancreatitis inguinal hernia mesh fixation
Morten ***********
inguinal hernia lichtenstein repair body packers

Morten BAY‐NIELSEN:Expert Impact

Concepts for whichMorten BAY‐NIELSENhas direct influence:Inguinal hernia,  Inguinal herniorrhaphy,  Groin hernia,  Hernia repair,  Danish hernia database,  Sutured repair,  Local anaesthesia,  Femoral hernia.

Morten BAY‐NIELSEN:KOL impact

Concepts related to the work of other authors for whichfor which Morten BAY‐NIELSEN has influence:Inguinal hernia,  Chronic pain,  Mesh fixation,  Postoperative complications,  Local anesthesia,  Emergency laparotomy,  Laparoscopic repair.



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The Danish Hernia Database, Copenhagen, Denmark | Surgical Department of Digestive Disease, Bispebjerg Hospital, University of Copenhagen,, Copenhagen, Denmark | Department of Gastrointestinal Surgery, Hvidovre University Hospital, Copenhagen, Denmar