Evidence map›Paper›PMID 35524153›Full record

ArticleAndrologia2022

Sperm granulomas: Predictive factors and impacts on patency post vasectomy reversal.

Mary K Samplaski, John C S Rodman, Jessica Michelle Perry, Matthew B F Marks, Robert Zollman, Kian Asanad, Sheldon F Marks

Open access · hybridAbstract read
In one paragraph

Article in Andrologia, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.8field-weighted citation impact, top 24% of its field
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

3 citing papers in PubMed, 3 citations in OpenAlex.

  1. Article
  2. Article
  3. 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

7 authors at 2 institutions in 1 country.

Mary K SamplaskiInstitute of Urology, University of Southern California, Los Angeles, California, USA.ORCID https://orcid.org/0000-0002-8496-7264
John C S RodmanSouthern California Clinical and Translational Science Institute, University of Southern California, Los Angeles, California, USA.
Jessica Michelle PerryInternational Center for Vasectomy Reversal, Tucson, Arizona, USA.
Matthew B F MarksInternational Center for Vasectomy Reversal, Tucson, Arizona, USA.
Robert ZollmanInternational Center for Vasectomy Reversal, Tucson, Arizona, USA.
Kian AsanadInstitute of Urology, University of Southern California, Los Angeles, California, USA.ORCID https://orcid.org/0000-0002-1548-3063
Sheldon F MarksInternational Center for Vasectomy Reversal, Tucson, Arizona, USA.
Southern Arizona VA Health Care System · USUniversity of Southern California · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The objective of this study was to identify factors that predict for sperm granuloma formation and the impact of sperm granuloma presence and quantity on vasectomy reversal (VR) outcomes. A cross sectional retrospective review of prospectively collected data, on the impact of granuloma on VR outcomes from a single academic center was performed. The impact of age, obstructive interval, intraoperative vasal fluid findings, anastomosis type, body mass index, tobacco use and total motile count (TMC) was determined. A total of 1550 men underwent VR between January 2000 and August 2019. Granulomas were present unilaterally in 23.3% (n = 361) and bilaterally in 14.2% (n = 220). On univariate analysis, increasing patient age negatively correlated with a larger number of granulomas (p = .011). Granuloma presence was associated with finding intact and motile sperm from the vasal stump intraoperatively (p = .001), and vasoepididymostomy anastomosis (p < .001). However, granuloma presence (and quantity) did not correlate with obstructive interval or maximum TMC. Tobacco use and body mass index (BMI) were not associated with granuloma presence. On multivariate analysis, granuloma quantity was not associated with TMC. Obstructive interval and vasovasostomy anastomosis were associated with higher TMC, while BMI was negatively associated with TMC. In conclusion, increasing age was negatively correlated with granuloma formation. Granuloma presence was associated with more favourable intraoperative fluid findings and anastomosis type, but not post-VR TMC, suggesting men with and without granulomas undergoing skilled microsurgery will have similar patency rates. Heavier men should be encouraged for weight loss prior to vasectomy reversal as increasing BMI was associated with lower TMC.

Indexed as

VasectomyVasovasostomyCross-Sectional StudiesGranulomaHumansMaleMicrosurgerySemenSpermatozoagranulomatobaccovasectomy reversalvasoepididymostomyvasovasostomy

Identifiers

PMID35524153
PMCPMC9541413
OpenAlexW4229070687

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.