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Home / Issues / № 5, 2016

Medical sciences

Kostyuchenko L.N., Lychkova A.E., Smirnov O.A., Kostyuchenko M.V., Puzikov A.M.
Introdaction.    Among surgeons, there are some differences in the definition of the indications for surgical treatment of ulcerative colitis (UC) and to the tactics of a relatively rapid recovery of nutritional status after surgery.  In most cases, the indications for surgical treatment consider: a) acute fulminant form with failure of conservative treatment for 2-4 weeks; b) the disease with nonacute, recurrent, progressive course with failure of conservative treatment for at least 6 months; c) chronic form of Yak with periodic exacerbations, progressive course in the presence of irreversible changes in the colon; d) (presence of severe, life-threatening complications at any stage of the disease - perforation of the bowel, intestinal bleeding, abscesses in pericolon tissue, bowel narrowing, malignancy [3,5].  However, the control of the metabolic system under different variants of surgical treatment of ulcerative colitis remains the most difficult and actively disputed task [4].

Most adequate is dynamic monitoring using parameters known as alimentary-volemic diagnosis (AVD) [2]. However, it is usually carried out one every 10-12 days. A more simple and rapid method can serve an indicative assessment of the restoration of electrical activity that can be recorded every 2-3 days [1].

The aim - to study the electrical activity of the remaining colon in the postoperative period as a criterion for rapid dynamic control over the restoration of its function and as a parameter to justify the choice of tactics of the nutrition support.

Material and methods. The study included 34 patients with ulcerative colitis at the age of 15 to 69 years (mean age 35,5 ± 10,4 years). According to the type of surgical intervention were observed two groups of patients with palliative and radical surgery, respectively. Electrical activity of the descending colon and sigmoid colon was recorded with the help of hardware and software M-Conan has a margin of error of ± 5%. We assessed the frequency and amplitude of slow waves and spikes (action potentials of smooth muscle) with subsequent computer processing of the results. Nutritional status was verified by alimentary-volemic diagnosis [2] (the structure is shown in Table 1), and compared with the functional recovery of limiting the absorption of the body according to the peripheral portable electromyography (EMG). Thus, the efficiency of applied nutrition programs evaluated as correction for an AVD, and EMG. Dynamics were observed in patients during the first 10 days after surgery.

Results and its discussion. Analysis of the data showed that patients with palliative intervention have the heaviest nutritive disorders (Table 1). There were water-electrolytic disturbances (usually, disgidroticescoy disorders of  1-2 stages), deficiencies of circulatory protein, hemoglobin, expressed energy deficiency, liver-kidney dysfunction and intestinal failure of 2-3 stages. Severity of intestinal insufficiency accompanied by not only the traditional characteristics, but also correlated with changes in the electrical activity of the intestine (at nutritional risk score 3-4 frequency-amplitude characteristics of the electrical rhythm of the slow waves of descending part of the colon were 10,4 ± 0,5 / min and 0,11 ± 0,03 mV; spike potentials were observed in all the observed patients, their frequency was 3,6 ± 0,7, the amplitude - 0,025 ± 0,004 mV). Electric parameters of colon it was somewhat better if nutritional risk score is 2. This made it possible to non-invasively control the indirect protein-energy imbalance often enough - 1 time in 2-3days and correct parenteral-enteral destination correspondly.

When performing radical operations recovery of nutritional status took place more gradually and steadily. Electrical activity at the same time expressed the following parameters: frequency and amplitude of EMG  slow waves of descending part of the colon patients were 9.9 ± 0,8 / min and 0,14 ± 0,07 mV, accordingly; spikes rate was 1,4 ± 0,3, the amplitude - 0,08 ± 0,001 mV. The electromyogram of sigmoid colon of patients with UC brings the following changes of the studied parameters: frequency-amplitude characteristics of slow waves were 10,0 ± 0,4 / min and 0,10 ± 0,008 mV. Spike potentials were observed in all patients. Their frequency varied from 1,1 to 4,1 ± 0,4, the amplitude - 0,03 ± 0,004 mV. Nutritional characteristics in this group of patients were also slightly better than that in patients with a stoma. Nutritional dynamics on the 6th day was somewhat improved: deficiencies of protein are decreased, as well as calculated energy deficit. There were a positive trend in body composition both in water and electrolyte parameters and content of protein and energy components, liver function going better (level of ACT / ALT, albumin,  and fibrinogen),  a renal function (creatinine clearance by), intestine (for citrulline, short-chain fatty acids coprofiltrates) noted a marked tendency to normalize. These nutritive characteristics correlated with the electrical parameters of the intestine, which at 6 th day almost normalized in the stump of the body, despite the big dimensions of the former.

Conclusions.  Regardless of the type of surgery interventions at UC observed unidirectional changes in the electrical activity of the gastrointestinal tract, they were confidently related with the severity of the syndrome of intestinal insufficiency, which determined the nutritional deficiency. Electromyography is non-invasive rapid  method that can be used for an  indicative dynamic control of intestine digestion recoverability.

Table 1

The estimation of the parameters of nutritional status and the state of the intestinal stump,  EMG in 2nd day after surgery.

Operation ,s



Parameters of the electrical activity of the intestinal stump

                 Nutritional  status

Treatment program


Impulses per min
















reserve of



liver, kidneys, intestines

Diet: up to



Table #5




Diazon or Iimpact to 300.0 / day



0liklinomel 700 or


70 / 180 -625 \ day



Diazon to



palliative intervention on the autonomic nervous system














damage place


10,4 ± 0,5 / min

3,6 ± 0,7

0,025 ± 0,004 mV






radical surgery - removal of a diseased portion or the entire colon

9.9 ± 0,8 / min

1,4 ± 0,3

0,08 ± 0,001 mV




Mediun and high


1. Homma S, Kobayashi Y, Kosugi S, Ohashi M, Kanda T, Hatakeyama K. Local differences in electrogastrographic indices associated with total gastrectomy, total colectomy, distal gastrectomy and colonic replacement. J Smooth Muscle Res.2010;46(5):235-48.

2. Kostyuchenko L.N. Nutrition support in gastroenterology.-Moscow, 2013.-432p.

3. Mawe GM. Colitis-induced neuroplasticity disrupts motility in the inflamed and postinflamed colon. J Clin Invest. 2015 Mar 2;125(.3):949-55.

4. Tkachenko EI et al. Enteral nutrition in ulcerative colitis. Lech doctor in 2008; 6: 2-4.

5. Zimmerman YS, Zimmerman IY, Tretyakov YI Ulcerative colitis and Crohn's disease: modern view. Part 2: Diagnosis and differential treatment // Clinical medicine. - 2013. - T. 91. -№. 12: 27-33.

Bibliographic reference

Kostyuchenko L.N., Lychkova A.E., Smirnov O.A., Kostyuchenko M.V., Puzikov A.M. ELECTRICAL ACTIVITY OF THE INTESTINE AFTER RESECTION FOR ULCERATIVE COLITIS AS THE CRITERIA OF THE NUTRITIONAL STATUS AND TACTICS OF THE NUTRITION SUPPORT. International Journal Of Applied And Fundamental Research. – 2016. – № 5 –
URL: www.science-sd.com/467-25083 (06.06.2023).