111 Excesses must be avoided; the use of these two criminal law 391 institutions must be reduced to instances in which it is necessary. 295. In short, the Commission considers that the non-exceptional and prolonged use of pretrial detention has a direct impact on the increase of the prison population and therefore also in overcrowding and prison facility management. Accordingly, it is a symptomatic and troubling fact that a significant percentage, sometimes a majority, of the prison population is made up of persons in pretrial detention, which should be addressed with the greatest attention and seriousness by the respective States. In this regard, it is important to document and examine the impact of excessive use of pretrial detention on the prison system, and to adopt the necessary measures to rationalize the increase of inmates in detention facilities. All planning and implementation of prison management policies should take into account 392 the steady increase in the number of persons deprived of liberty. 391 Constitutional Court of Colombia, Judgment T-153/98 of April 28, 1998 (MP. Eduardo Cifuentes Muñoz), paras. 60 and 61. 392 IACHR, Truth, Justice and Reparation: Fourth Report on the Human Rights Situation in Colombia, 2013, Ch. VI(G).