Evidence map›Paper›PMID 31337096›Full record

ArticleMolecules (Basel, Switzerland)2019

Parathyroid Autofluorescence-How Does It Affect Parathyroid and Thyroid Surgery? A 5 Year Experience.

Roland Ladurner, Maximilian Lerchenberger, Norah Al Arabi, Julia K S Gallwas, Herbert Stepp, Klaus K J Hallfeldt

Abstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 4 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Fluorescent Imaging in Thyroid Surgery to Preserve Parathyroid Function: A Systematic Review and Meta-Analysis.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2026
    Pooled it
  2. Pooled it
  3. Pooled it
  4. Impact of Intraoperative Interventions on Hypocalcemia Post-Total Thyroidectomy: A Meta-Analysis.Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale
    Pooled it
  5. Trial
  6. Thyroid Cancer: Epidemiology, Diagnosis, and Treatment.Deutsches Arzteblatt international · 2026
    Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Label-Free Optical Technologies for Middle-Ear Diseases.Bioengineering (Basel, Switzerland) · 2024
    Review
  15. Article
  16. Review
  17. The Utility of Near-Infrared Autofluorescence for Parathyroid Gland Identification During Thyroid Surgery: A Single-Center Experience.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2023
    Article
  18. Review
  19. The current status and future prospects for molecular imaging-guided precision surgery.Cancer imaging : the official publication of the International Cancer Imaging Society · 2022
    Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Roland LadurnerDepartment of Surgery, Ludwig Maximilians University Munich, Innenstadt Medical Campus, Nussbaumstrasse 20, 80336 Munich, Germany.
Maximilian LerchenbergerDepartment of Surgery, Ludwig Maximilians University Munich, Innenstadt Medical Campus, Nussbaumstrasse 20, 80336 Munich, Germany.
Norah Al ArabiDepartment of Surgery, Ludwig Maximilians University Munich, Innenstadt Medical Campus, Nussbaumstrasse 20, 80336 Munich, Germany.
Julia K S GallwasDepartment of Obstetrics and Gynecology, Ludwig Maximilians University Munich, Maistr. 11, 80337 Munich, Germany.
Herbert SteppLaser-Research Laboratory, LIFE-Center, Ludwig Maximilians University Munich, Grosshadern Medical Campus, Feodor-Lynen-Str. 19, 81377 Munich, Germany.
Klaus K J HallfeldtDepartment of Surgery, Ludwig Maximilians University Munich, Innenstadt Medical Campus, Nussbaumstrasse 20, 80336 Munich, Germany. klaus.hallfeldt@med.uni-muenchen.de.ORCID 0000-0001-8932-4201

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Injury to parathyroid glands during thyroid and parathyroid surgery is common and postoperative hypoparathyroidism represents a serious complication. Parathyroid glands possess a unique autofluorescence in the near-infrared spectrum which could be used for their identification and protection at an early stage of the operation. In the present study parathyroid autofluorescence was visualized intraoperatively using a standard Storz laparoscopic near-infrared/indocyanine green (NIR/ICG) imaging system with minor modifications to the xenon light source (filtered to emit 690 nm to 790 nm light, less than 1% in the red and green above 470 nm and no blue light). During exposure to NIR light parathyroid tissue was expected to show autofluorescence at 820 nm, captured in the blue channel of the camera. Over a period of 5 years, we investigated 205 parathyroid glands from 117 patients. 179 (87.3%) glands were correctly identified by their autofluorescence. Surrounding structures such as thyroid, lymph nodes, muscle, or adipose tissue did not reveal substantial autofluorescence. We conclude that parathyroid glands can be identified by their unique autofluorescence at an early stage of the operation. This may help to preserve these fragile structures and their vascularization and lower the rate of postoperative hypocalcemia.

Indexed as

Optical ImagingHumansIntraoperative CareParathyroidectomyParathyroid GlandsSpectroscopy, Near-InfraredThyroidectomyThyroid GlandautofluorescencehypoparathyroidismICGnear-infrared lightNIRparathyroid

Identifiers

PMID31337096
PMCPMC6680977

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.