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Research Article | DOI: https://doi.org/10.31579/2642-9756/027
1 Obstetric and Genecology in Charge of Colposcopy Department in the Oncologic Center in Hermosillo Sonora Mexico
*Corresponding Author: Isaac Melo Cerda, Obstetric and Genecology in Charge of Colposcopy Department in the Oncologic Center in Hermosillo Sonora Mexico
Citation: Isaac Melo. Cerda., (2020) CESAREAN SCAR DEFECT (ISTHMOCELE). WHEN AND HOW TO TREAT?. J Women Health Care Issues, 3(2); Doi:10.31579/2642-9756/027
Copyright: © 2020 Isaac Melo Cerda, This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Received: 31 March 2020 | Accepted: 28 April 2020 | Published: 11 May 2020
Keywords: isthmocele; cesarean scar defect; isthmocele treatment; isthmocele bleeding
Cesarean Scar Defect has been linked to Obstetric and Gynecological pathology, with the high number of patients undergoing C-section end the frequency with which it is expected to have symptomatology, this prospective study try to find the frequency of Isthmocele, its symptomatology and with analysis of the literature propose factors to decide the best treatment. We confirmed the frequent of his presence, found that his symptomatology is based in spotting, dysmenorrhea and polymenorrhagia and found that the more symptomatic (RELEVANT) cases had cesarean scar defects bleeding producers and that the rest of symptomatic cases have cesarean scar defects bleeding collectors that often those not affect the daily life of the patient and don’t require treatment. Finely we propose bases to take in count to decide treatment.
In recent years the presence of abnormal placentation like Placental Previa, Placental Accreta, and Pregnancy in Caesarean Scars have increased. There is no doubt that the previous Caesarean section has importance in this genesis [1-3]. This has aroused interest in the detection of the Cesarean Scar Defect (CSD) also called Isthmocele. With the current use of diagnostic techniques such as Transvaginal Ultrasound and Hysteroscopy [3,4], a significant number of women with Caesarean history have been shown to present it. The patients with prior C-section have a CSD in between 20% and 86% [5]. In a paper published in 2014 [6]. I found that 62.4% of patients with Prior Caesarean Section had CSD, and 12% of them had a dehiscence of the scar.
Cesarean Scar Defects have been linked to abnormal uterine bleeding, dyspareunia, dysmenorrhea, and chronic pelvic pain [7]. Wang [8] found that 63.8% have abnormal uterine bleeding, 53.1% dysmenorrhea, 39.6% chronic pelvic pain and 18.3% dyspareunia, although Gubbini [9] links it to infertility.
If we take into account the very high number of patients undergoing C-section, the frequency in which these patients would have a symptomatology of Bleeding and Pain we would expect the symptomatology more frequently and more clearly. Also, the number of patients requiring surgery for this reason would be higher, and that we would have realized the existence and frequency of CSD long ago. These data led me to doubt that the symptoms of Pain and Bleeding are so frequent and important. We decided to do a prospective study to find the frequency of CSD, its symptomatology, and based on this symptomatology the characteristics of the patients and data in the literature analyze therapeutic behaviors.
Observational, Prospective and Comparative study, held from 1 January 2013 to 31 December 2015. Any patient who went to Colposcopy in the State Oncology Center of the State of Sonora in Mexico who had a history of Caesarean, was asked to authorize the practice a Hysteroscopy [6] and Endocervical Colposcopy with the Colposcopy. The Endocervical Colposcopy involves the use of Hysteroscopic to see the endocervical channel as a supplement to Colposcopy, using 3
Of 120 patients with a history of Caesarean 25 were excluded leaving 95 cases; 62 (65.26%) in Group A (with CSD) and 33 (34.7%) in Group B (without CSD) (figure 1 and Table 1and Table 2)
Of the 62 cases with CSD, 30 (49.36%) were dome type, 20 (32.25%) diverticulum type and 12 (19.35%) had dehiscence (figure 2) (according to classification used in the previous study) [6].
General Data (Table 1) showed no significant statistical difference between the two groups. The Symptoms table (Table 2)shows that only the symptom of Spotting had a significant statistical difference, 64.51% of patients with CSD (p-02707 <0>
After this filter differences statistically significance was found in patients with CSD in Spotting Polymenorrhagia and Dysmenorrhea Table 2, Spotting was present in 73.33% (p-0.0001 <0>Table 2).
It is important to note that we found Cesarean Scar Defects with Endometrial or fibrous tissue covering the ceiling and/or side walls (Figure 3 and F)of the Isthmocele and other CSD with granular-looking tissue, with increased vascularity and capillary and vascular bleeding (Figure 3 D). These findings strongly suggest that there are CSD "Bleeding Producers", which Morris [24] in 1995 had suspected its existence based on its histopathological findings but to date had not been demonstrated in image. These CSD "Bleeding Producers" (Figure 3 D and E), are related to the most symptomatic cases. While most are not Bleeding Producers, they are more likely "CSD or Isthmocele Collectors" which are those that act as a reservoir of menstrual bleeding and are less symptomatic. Traditionally this has been explanation for the symptom of bleeding or intermenstrual spotting [3,12]. CSD Producers are often symptomatic and have found two or more of the symptoms to be related to CSD, and in them we find the only two cases of secondary infertility.
We confirmed the high presence of the Cesarean Scar Defect 65.26%, similar to that found in 2014 [6], Total Dehiscence was presented at 19.35%, in 2014 were 12%. This increase is justified by being a prospective study with a more careful and intentional exploration.
The symptomatology of pain and bleeding related to CSD is limited to Spotting, Polymenorrhagia and Dysmenorrhea. Hypogastric Pain, which is a very unspecific symptom in the gynecological patient, was most frequently found it in patients without CSD (44.44%), although it showed no Significant Statistical Difference. These differences that doesn’t match with Wang's studies [8] are surely due to the study being practiced with patients at a Colposcopy Clinic, a place that the patient does not go presenting symptomatology or gynecological upsets such as those presented to a Gynecology service and that Wang’s study was descriptive and this is comparative.
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Patients Group A Group B Group A | Group B | ||||||||||||||||
| With Isthmocele Without Isthmocele After filter With Isthmocele | Without |
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| Total n=95 | n=62 (65.26%) | n=33 (34.73%) | Total n=63 | n=45 71.42%) | n=18 (28.57%) |
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General Data | value | value | value | p | value | value | Value |
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Age, media ± DS | 33.81 ± 8.54 | 33.43 ± 8.84 | 33 ± 8.71 | p=0.8182 | >0.05 | 34.63 ± 7.96 | 34.77 ± 7.87 | 34.27 ± 8.40 |
| p=8289 | >0.05 | ||||||
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Pregnancy’s, media ± DS | 3.07 ± 2.60 | 2.95 ± 1.49 | 2.84 ± 1.48 | p=0.7284 | >0.05 | 3± 1.60 | 3.35 ± 1.62 | 3.44 ± 1.58 |
| p=0.8422 | >0.05 | ||||||
First sexual relationship | 17.88 ± 3.62 | 17.58 ± 3.74 | 17.63 ± 4.16 | p=0.9194 | >0.0 5 | 18.41 ± 3.92 | 18.48 ± 3.51 | 18.22± 4.91 |
| p=0.8344 | >0.05 | ||||||
Sexual Partners | 3.07 ± 2.60 | 3.22 ± 2.98 | 3.42 ± 3.62 | p=0.7879 | >0.05 | 3.15 ± 2.92 | 2.73 ± 1,67 | 4.22 ± 4.72 |
| p=0.1965 | >0.05 | ||||||
Cesarean, ± DS | 1.75 ± 0.83 | 1.59 ± 0.777 | 1.66 ± 0.85 | p=0.6962 | >0.05 | 1.88 ± 0.863 | 1.93 ± 0.809 | 1.77 ± 1 |
| p=0.5601 | >0.05 | ||||||
Programed No % | 44 (46.31%) | 22 (35.48%) | 22 (66.66%) | p=0.08511 | >0.05 | 29 (46.03%) | 17 (37.77%) | 12 (66.66%) |
| p=0.0374 | <0> | ||||||
Urgent No % | 50 (52.63%) | 40 (64.51%) | 11 (33.33%) | p=0.7224 | >0.05 | 34 (53.96%) | 28 (62.22%) | 6 (33.33%) |
| p=0.0385 | <0> | ||||||
Wish of Pregnancy | 11 (11.57) | 6 (9.67%) | 5 (15.15%) | p=0.4763 | >0.05 | 7 (11.11%) | 4 (8.88%) | 3 (16.66%) |
| p=0.1591 | >0.05 | ||||||
Pills, DIU o UP* | 32(33.68%) | 17 (27.41%) | 15 (45.45%) | p=0.1591 | >0.05 | 0 | 0 | 0 |
| 0 | 0 | ||||||
* Method of | Family plannin | g | ** Uterine Pa | thology |
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Patients | Group 1 | Group 2 | Group 1 | Group 2 | ||||||||||
| With Isthmocele | Without | After Filter With Isthmocele | Without |
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| Total n=95 |
| n=62 (65.26%) | n=33 (34.73%) | p |
| Total n=63 | n=45 (71.42%) | n=18 (28.57%) | p | ||||
Symptoms of Pain |
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Pelvic Pain | 32(33.68%) |
| 18 (29.03%) | 14 (42.42%) | p=0.2941 | >0.05 |
| 23 (36.50%) | 15(33.33%) | 8 (44.44%) | p=0.4301 | >0.05 | ||
Dyspareunia | 12 (12.63%) |
| 10 (16.12%) | 2 (6.06%) | p=0.5248 | >0.05 |
| 8 (12.69%) | 8(17.77%) | 0 (0%) | p=0.1318 | >0.05 | ||
Dysmenorrhea | 15 (15.78%) |
| 15 (24.19%) | 0 (0 %) | p=0.0637 | >0.05 |
| 14 (22.22%) | 14 (31.11%) | 0 (0%) | p=0.0056 | <0> | ||
Menstrual Symptoms |
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Hypermenorrhea | 5 (5.26%) |
| 4 (6.45%) | 1 (3.03%) | p=0.6594 | >0.05 |
| 2 (3.17%) | 2 (4.44%) | 0 (0%) | p=0.8619 | >0.05 | ||
Polymenorrhagia | 23 (24.21%) |
| 19 (30.64%) | 4 (12.12%) | p=0.4593 | >0.05 |
| 14 (22.22%) | 14 (31.11%) | 0 (0%) | p=0.0050 | <0> | ||
Spotting | 44 (46.31%) |
| 40 (64.51%) | 4 (12.12%) | p=0.02707 | <0> |
| 34 (53.96%) | 33 (73.33%) | 1 (5.550%) | p=0.0001 | <0> | ||
RELEVANT | 14(14.73%) |
| 11 (17.74%) | 3 (9.09%) | P=0.2466 | <0> |
| 10 (15.87%) | 8 (17.77%) | 0 (0%) | P=0,2964 | >0.05 | ||
The most common symptom was Spotting at 73.33%, a symptom that often does not affect patients' daily lives, as is shown by only 20% of them referring to it as a RELEVANT symptom.
We found that there are SCD "Bleeding Producers figure 3 "Isthmocele Producer"
https://youtu.be/oRYyXZnh0L4, with granulation epithelium, with capillaries and bleeding svessels, which occur in the relevant symptomatic cases, and are often accompanied by polymenorrhagia and dysmenorrhea. So far there is a belief that symptomatology is secondary to the accumulation of menstrual bleeding in the defect Nish [3,12,23], and is promoted as a surgical technique for its resolution the "Remodeling of the Isthmocele by Resectoscope". Resectoscope is a technique that is based on the elimination of the outer and internal rings of the defect [11]. This technique is needed to make fulguration or ablation of the ceiling and walls of the Nish as recommended by Ya-Ling Feng [13] to remove bleeding capillaries and vessels. In the case of a residual myometrium less than 2 [15] to 3 mm [17] this method cannot be used because of the risk of thermal damage to bladder. Osser [16] finds in 25% of patients with istmocel, a residual myometrium equal or less than 2.5mm.
Other surgical techniques to correct CSD should be known and taken into account, there are techniques of easy execution, vaginally [20,21] or laparoscopic [3,14]. Methods already described, which are simple to practice, and should be used in these cases.
Faced with data from such a frequent anatomical alteration, that increases its importance and presence as a result of our therapeutic excesses (Unnecessary Caesarean). And, from the gynecological point of view, produces very frequent symptomatology (73.33%) but of little relevance (20%), while from the obstetric point of view it produces problems of infrequent Placentation (Placental Previa, Placental Accreta, Cervical Pregnancy and In Caesarean Scar Pregnancy), but of great Relevance (Obstetric Bleeding , Morbidity and Maternal Mortality). We must spread its existence and show that its appearance does not depend on the Technique or Surgical Skill of the Surgeon [18,19], so that the decision of a C-section is more reasoned.
In the face of such common pathology therapeutic behavior should be established. Important aspects include:
a) Treat only the Symptomatic patient, and of these those who present Relevant Symptomatology.
b) Eliminate the Hysteroscopic Remodeling Technique without fulguration or ablation.
c) Do not do Hysteroscopic Remodeling in cases of myometrium less than 3mm.
d) Integrate Vaginal and Laparoscopic repair methods into treatments.
e) Perform vaginal or laparoscopic repair methods in patients who wish to get pregnant or in a study of sterility, and those with myometrium less than 3mm.
This Pathology, should be included in the I of Iatrogenic Causes of the Current Classification of Abnormal Uterine Bleeding FIGO PALM-COEINA and ACOG, and should be added and recognized as a Secondary Infertility Cervical Factor.
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