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Volume 7, Issue 11, November – 2022 International Journal of Innovative Science and Research Technology

ISSN No:-2456-2165

Risk Factors of Adenomyosis: A Case Control Study


in a Tertiary Care Hospital of Assam, India
Dr. Mintu Dewri Bharalia, Dr. Arup Kumar Sarmab, Dr. Jayshree Goswamic,
a,b
Assistant Professor,cRegistrar,
a
Department of Community Medicine, bDepartment of Medicine, cDepartment of O&G,
abc
Gauhati Medical College, Guwahati,India.
Corresponding Author: Dr Jayshree Goswami

Abstract:- Adenomyosis is categorized under Non regarding the risk factors of diseases will always make the
inflammatory disorder of the Female Genital tract in ICD- diagnostic and treatment strategies more effective.
10 classification. It is defined as the benign invasion of
endometrium into the myometrium, producing a diffusely A systematic review of Long term impact of
enlarged uterus which microscopically exhibits ectopic Hysterectomy of literatures published between 2005 to 2020
non-neoplastic, endometrial glands and stroma showed that hysterectomy may increase the risk of
surrounded by the hypertrophic and hyperplastic cardiovascular events, certain cancers, the need for further
myometrium. As most of the women with adenomyosis will surgery, early ovarian failure and menopause, depression, and
end up undergoing hysterectomy which have long term other outcomes [3].So preventing the disease in its early stage
complication in quality of life, therefore a better will help us in avoiding such strategies which have long term
understanding regarding the etiopathogensis including the consequences. The prevalence of Adenomyosis among
associated risk factors will help us in prevention and hysterectomy patients is highly variable from as low as 8.8%
control of Adenomyosis. So this case control study was up to 56.6%.On TVS around 20.9% prevalence of
carried out to find out the risk factors of Adenomyosis. adenomyosis was reported by Upson et all among
Methodology: A case control study with an sample size of symptomatic gynaecological patients attending
60,30 cases and 30 control. Results: There was no statistical Gynaecological clinic in United Kingdom[4] In India one of the
association between age, parity, History of abortion, studies reported 16% prevalence of Adenomyosis among
previous surgical history and smoking with adenomyosis. patients undergoing hysterectomy in a Tertiary Care Hospital
Conclusion: Our study showed no association of the of kerela[5].Some of the already known risk factors of
commonly known risk factors of Adenomyosis. Adenomyosis like older Age(4th or 5th decade of life),
Multiparity, History of Prior Uterine surgery, Smoking,
Keywords:- Adenomyosis, Risk Factor, Case Control. Depression and Tamoxifen treatment[6] but there is lack of
research giving higher evidence of association of such risk
I. INTRODUCTION factors with Adenomyosis, therefore this study was carried out
to evaluate the risk factors of Adenomyosis among women
According to ICD-10 classification Adenomyosis is attending Gynecological OPD in a tertiary care Hospital.
classified under Non Inflammatory disorders of Genital Tract
with code N80, specifically N80.0[1].It is an endometriosis of II. METHODOLOGY
the uterus as it is the aberrant location of the endometrium
inside the uterine Myometrium. Historically it was first Study Design: Case Control Study
referred as adenomyoma by German pathologist Carl von
Rokitansky in the year 1860. One of the most appropriate Sample Size: A purposive sample size of 60 participants were
definition of Adenomyosis was given by Bird in 1972 as included in the study 30 cases & 30 Controls, Cases and
“Adenomyosis may be defined as the benign invasion of control were selected from patients and screened by TVS and
endometrium into the myometrium, producing a diffusely inducted consecutively till the sample size of 60 was attained.
enlarged uterus which microscopically exhibits ectopic non-
neoplastic, endometrial glands and stroma surrounded by the Study Period: 6 months May to October 2022.
hypertrophic and hyperplastic myometrium[2] Few years back
Adenomyosis was some sort of surgical diagnosis given after Study Area: OPD at O&G Department, Gauhati Medical
the Histopathological examination, but with modern imaging College
technique the spectrum of diagnostic tool has increased and
improved. Now non invasive techniques like Trans Vaginal Cases: Patients at Gynaecology OPD of GMC who were
Sonography(TVS) and MRI are more sensitive than before in advised a Trans vaginal USG (TVS) for further evaluation of
diagnosing Adenomyosis. As one of the most effective their disease. Selection of cases were done from those
treatments of Adenomyosis is Hysterectomy so a better screened patients who had any one of the following findings
understanding of the etiopathogenesis of the disease may help on TVS.1) Indistinct endo-myometrial junction; (2)
us in avoiding such operation. A better understanding asymmetry of the anterior and posterior myometrium; (3)

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Volume 7, Issue 11, November – 2022 International Journal of Innovative Science and Research Technology
ISSN No:-2456-2165
myometrial striations; (4) myometrial cysts and fibrosis (5)
heterogeneous myometrial echotexture (6)enlarged globular A total 60 participants were analyzed, 30 cases & 30
uterus . controls. Mean Age of all the 60 participants was 37.7(±9.03)
years and Mean parity was 2(±1.5) years (table 1).The mean
Exclusion: Who did not give their consent for the study. age of both Cases and controls was similar, most of them in
their 3rd decade of life. There were no variation in the
Control: OPD patients who after TVS did not show the distribution of Religion, almost half of the population belongs
features of Adenomyosis were selected as control. to Hindu and remaining half were Muslim, no patients were
from other religions. Around 15% of the patients were
Study Variables: Age, Marital status, Parity, Abortion, Illiterate i.e. they could not read and write when one standard
Previous Surgical History, presenting Symptoms. Data were paragraph was shown and dictated to them.
collected in pre tested predesigned Profoma and later on
compiled in MS excel sheet for Analysis. A p value of ≤0.05 On statistical analysis none of the factors showed a
was taken to be significant and Graph Pad Instat was used for significant association with Adenomyosis (Table 2).The
statistical calculation. For continuous values T test was done patients who gave a positive history of previous uterine
and for Qualitative value evaluation Chi square and Fisher’s surgery almost more than 90% of them gave their Surgical
Exact test was done. History as Caesarian Section. There was no significant
association of Adenomyosis with smoking & aborti0n.The
Ethical clearance was taken from the Institutional Ethics various chief complaints of both the study groups were
Committee Dysmennorhea, Abnormal Uterine Bleeding, Pain Abdomen,
etc.
III. RESULTS

Table 1: Baseline Characteristics Of the cases & Controls


Characteristics Cases (%) Control (%) Total(n=60)
Mean Age(in years) 36.9±10.3 36.1±9.4 37.7(±9.03).
Religion
Hindu 16(53.5) 13(43.5) 29
Muslim 14(46.5) 17(56.5) 31
Se status
Below poverty line 18(60) 23(76.5) 41
Above poverty line 12(40) 7(33.5) 19
Education status
Illiterate 6(20) 3(10) 9
Literate 24(80) 27(90) 51
Total 30 30 60

Table 2: Showing association of the probable risk factors of Adenomyosis.


Characteristics Cases (%) Control (%) Statistical Test
Mean Age(in years) 36.9±10.3 36.1±9.4 On t test P >0.05
Mean Parity 1.73±1.1 2.1±1.8 On t test P >0.05
History of Uterine Surgery
Yes 19(63.5) 14(46.5) X2=1.07,P>0.05
No 11(36.5) 16(53.5) OR=1.9(0.07-5.5)
Abortion History
Yes 12(40) 9(30) X2=0.65,P>0.05
No 18(60) 21(70) OR=1.5(0.53-4.5)
Smoking History
Yes 2(6.5) 0(0) On Fisher’s Exact test, P>0.05,0R=5.35(0.24-
No 28(93.5) 30(100) 116.4)
Total 30(100%) 30(100%)

IV. DISCUSSION presence of Endometrial hyperplasia which was significantly


associated with an Odds ratio of 3(1.2-8.3) [7] .The association
In our study there was no association of any the factors of age with adenomyosis may be due to their study population
which were evaluated, one study reported a association of which was Hysterectomy patients which was often done on
older age with Adenomyosis[6] but similar to our finding older age group. Shrestha A et all in a cross sectional study
Bergholt et all also reported that there was no association found a significant association (p<0.05) of adenomyosis when
adenomyosis with age, parity, indication of hysterectomy, pain comparing between Nullipara and Multiparous women also
related symptoms or number of myometrial samples except there was a significant association with smoking history of

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Volume 7, Issue 11, November – 2022 International Journal of Innovative Science and Research Technology
ISSN No:-2456-2165
[8]
more than 10 years with an Odds Ratio of 3.6 but in our study [9]. Garcia LE, Morris S, Isaacson K. Adenomyosis: Risk
there was no association between smoking and adenomyosis Factors and Diagnosis. Journal of Minimally Invasive
which may be due to low prevalence of smoking in this part of Gynecology. November 2011;18(6), S17-S18.
India and only two cases gave the history of smoking that was [10]. Parazzini, F.; Vercellini, P.; Panazza, S.; Chatenoud, L.;
also for less number of years. Garcia et all in her retrospective Oldani, S.; Crosignani, P.G. Risk Factors for
evaluation of 428 patients who underwent hysterectomy found Adenomyosis. Hum. Reprod.1997,12, 1275–1279.
significant association between Parity and Previous history of
Dilation & curettage with adenomyosis, but similar to our
findings there was no association with Age and Smoking
status[9] .In contrast to our study finding one more study found
a significant association of Adenomyosis with parity and
History of abortion in a cross sectional study of 707 patients
undergoing hysterectomy in Italy by Parazzini et all [10]
.Therefore there was high disparity of study findings in all
those literature which further demands more research with
bigger sample size preferably a population based prospective
study.

V. CONCLUSION

Finally the findings of our study showed that there was


no association of factors like Age, Parity, history of abortion
& smoking with adenomyosis.

Conflict of Interest: No

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